USB control-message timeouts are specified in milliseconds and should specifically not vary with CONFIG_HZ.
Fixes: 8fc8598e61f6 ("Staging: Added Realtek rtl8192u driver to staging") Cc: stable@vger.kernel.org # 2.6.33 Signed-off-by: Johan Hovold johan@kernel.org --- drivers/staging/rtl8192u/r8192U_core.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index b6698656fc01..cf5cfee2936f 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -229,7 +229,7 @@ int write_nic_byte_E(struct net_device *dev, int indx, u8 data)
status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - indx | 0xfe00, 0, usbdata, 1, HZ / 2); + indx | 0xfe00, 0, usbdata, 1, 500); kfree(usbdata);
if (status < 0) { @@ -251,7 +251,7 @@ int read_nic_byte_E(struct net_device *dev, int indx, u8 *data)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - indx | 0xfe00, 0, usbdata, 1, HZ / 2); + indx | 0xfe00, 0, usbdata, 1, 500); *data = *usbdata; kfree(usbdata);
@@ -279,7 +279,7 @@ int write_nic_byte(struct net_device *dev, int indx, u8 data) status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 1, HZ / 2); + usbdata, 1, 500); kfree(usbdata);
if (status < 0) { @@ -305,7 +305,7 @@ int write_nic_word(struct net_device *dev, int indx, u16 data) status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 2, HZ / 2); + usbdata, 2, 500); kfree(usbdata);
if (status < 0) { @@ -331,7 +331,7 @@ int write_nic_dword(struct net_device *dev, int indx, u32 data) status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 4, HZ / 2); + usbdata, 4, 500); kfree(usbdata);
if (status < 0) { @@ -355,7 +355,7 @@ int read_nic_byte(struct net_device *dev, int indx, u8 *data) status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 1, HZ / 2); + usbdata, 1, 500); *data = *usbdata; kfree(usbdata);
@@ -380,7 +380,7 @@ int read_nic_word(struct net_device *dev, int indx, u16 *data) status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 2, HZ / 2); + usbdata, 2, 500); *data = *usbdata; kfree(usbdata);
@@ -404,7 +404,7 @@ static int read_nic_word_E(struct net_device *dev, int indx, u16 *data)
status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - indx | 0xfe00, 0, usbdata, 2, HZ / 2); + indx | 0xfe00, 0, usbdata, 2, 500); *data = *usbdata; kfree(usbdata);
@@ -430,7 +430,7 @@ int read_nic_dword(struct net_device *dev, int indx, u32 *data) status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 4, HZ / 2); + usbdata, 4, 500); *data = *usbdata; kfree(usbdata);
On 10/25/21 07:09, Johan Hovold wrote:
USB control-message timeouts are specified in milliseconds and should specifically not vary with CONFIG_HZ.
Fixes: 8fc8598e61f6 ("Staging: Added Realtek rtl8192u driver to staging") Cc: stable@vger.kernel.org # 2.6.33 Signed-off-by: Johan Hovold johan@kernel.org
drivers/staging/rtl8192u/r8192U_core.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
I would have preferred that you not use the magic number "500", but the patch is OK.
Acked-by: Larry Finger Larry.Finger@lwfinger.net
Larry
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index b6698656fc01..cf5cfee2936f 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -229,7 +229,7 @@ int write_nic_byte_E(struct net_device *dev, int indx, u8 data) status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE,
indx | 0xfe00, 0, usbdata, 1, HZ / 2);
indx | 0xfe00, 0, usbdata, 1, 500);if (status < 0) { @@ -251,7 +251,7 @@ int read_nic_byte_E(struct net_device *dev, int indx, u8 *data) status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
indx | 0xfe00, 0, usbdata, 1, HZ / 2);
indx | 0xfe00, 0, usbdata, 1, 500);@@ -279,7 +279,7 @@ int write_nic_byte(struct net_device *dev, int indx, u8 data) status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 1, HZ / 2);
usbdata, 1, 500);if (status < 0) { @@ -305,7 +305,7 @@ int write_nic_word(struct net_device *dev, int indx, u16 data) status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 2, HZ / 2);
usbdata, 2, 500);if (status < 0) { @@ -331,7 +331,7 @@ int write_nic_dword(struct net_device *dev, int indx, u32 data) status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 4, HZ / 2);
usbdata, 4, 500);if (status < 0) { @@ -355,7 +355,7 @@ int read_nic_byte(struct net_device *dev, int indx, u8 *data) status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 1, HZ / 2);
usbdata, 1, 500);@@ -380,7 +380,7 @@ int read_nic_word(struct net_device *dev, int indx, u16 *data) status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 2, HZ / 2);
usbdata, 2, 500);@@ -404,7 +404,7 @@ static int read_nic_word_E(struct net_device *dev, int indx, u16 *data) status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ,
indx | 0xfe00, 0, usbdata, 2, HZ / 2);
indx | 0xfe00, 0, usbdata, 2, 500);@@ -430,7 +430,7 @@ int read_nic_dword(struct net_device *dev, int indx, u32 *data) status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f,
usbdata, 4, HZ / 2);
usbdata, 4, 500);
On Mon, 2021-10-25 at 10:06 -0500, Larry Finger wrote:
On 10/25/21 07:09, Johan Hovold wrote:
USB control-message timeouts are specified in milliseconds and should specifically not vary with CONFIG_HZ.
There appears to be more than a few of these in the kernel.
$ cat usb_hz.cocci @@ expression e; @@ * usb_control_msg(..., HZ * e)
@@ expression e; @@ * usb_control_msg(..., HZ / e)
@@ @@ * usb_control_msg(..., HZ)
$ spatch --very-quiet -U 0 -sp-file usb_hz.cocci . warning: line 4: should HZ be a metavariable? warning: line 9: should HZ be a metavariable? warning: line 13: should HZ be a metavariable? 50 files match diff -U 0 -p ./drivers/usb/misc/iowarrior.c /tmp/nothing/drivers/usb/misc/iowarrior.c --- ./drivers/usb/misc/iowarrior.c +++ /tmp/nothing/drivers/usb/misc/iowarrior.c @@ -112,6 +112,0 @@ static int usb_get_report(struct usb_dev - return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), - USB_REQ_GET_REPORT, - USB_DIR_IN | USB_TYPE_CLASS | - USB_RECIP_INTERFACE, (type << 8) + id, - inter->desc.bInterfaceNumber, buf, size, - GET_TIMEOUT*HZ); @@ -126,7 +120,0 @@ static int usb_set_report(struct usb_int - return usb_control_msg(interface_to_usbdev(intf), - usb_sndctrlpipe(interface_to_usbdev(intf), 0), - USB_REQ_SET_REPORT, - USB_TYPE_CLASS | USB_RECIP_INTERFACE, - (type << 8) + id, - intf->cur_altsetting->desc.bInterfaceNumber, buf, - size, HZ); diff -U 0 -p ./drivers/staging/rtl8712/usb_ops_linux.c /tmp/nothing/drivers/staging/rtl8712/usb_ops_linux.c --- ./drivers/staging/rtl8712/usb_ops_linux.c +++ /tmp/nothing/drivers/staging/rtl8712/usb_ops_linux.c @@ -496,2 +496,0 @@ int r8712_usbctrl_vendorreq(struct intf_ - status = usb_control_msg(udev, pipe, request, reqtype, value, index, - pIo_buf, len, HZ / 2); diff -U 0 -p ./drivers/staging/rtl8192u/r8192U_core.c /tmp/nothing/drivers/staging/rtl8192u/r8192U_core.c --- ./drivers/staging/rtl8192u/r8192U_core.c +++ /tmp/nothing/drivers/staging/rtl8192u/r8192U_core.c @@ -227,3 +227,0 @@ int write_nic_byte_E(struct net_device * - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - indx | 0xfe00, 0, usbdata, 1, HZ / 2); @@ -249,3 +246,0 @@ int read_nic_byte_E(struct net_device *d - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - indx | 0xfe00, 0, usbdata, 1, HZ / 2); @@ -276,4 +270,0 @@ int write_nic_byte(struct net_device *de - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 1, HZ / 2); @@ -302,4 +292,0 @@ int write_nic_word(struct net_device *de - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 2, HZ / 2); @@ -328,4 +314,0 @@ int write_nic_dword(struct net_device *d - status = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - RTL8187_REQ_SET_REGS, RTL8187_REQT_WRITE, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 4, HZ / 2); @@ -352,4 +334,0 @@ int read_nic_byte(struct net_device *dev - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 1, HZ / 2); @@ -377,4 +355,0 @@ int read_nic_word(struct net_device *dev - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 2, HZ / 2); @@ -402,3 +376,0 @@ static int read_nic_word_E(struct net_de - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - indx | 0xfe00, 0, usbdata, 2, HZ / 2); @@ -427,4 +398,0 @@ int read_nic_dword(struct net_device *de - status = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8187_REQ_GET_REGS, RTL8187_REQT_READ, - (indx & 0xff) | 0xff00, (indx >> 8) & 0x0f, - usbdata, 4, HZ / 2); diff -U 0 -p ./drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c /tmp/nothing/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c --- ./drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c +++ /tmp/nothing/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c @@ -28,4 +28,0 @@ u8 rtl818x_ioread8_idx(struct rtl8187_pr - usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), - RTL8187_REQ_GET_REG, RTL8187_REQT_READ, - (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits8, sizeof(val), HZ / 2); @@ -45,4 +41,0 @@ u16 rtl818x_ioread16_idx(struct rtl8187_ - usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), - RTL8187_REQ_GET_REG, RTL8187_REQT_READ, - (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits16, sizeof(val), HZ / 2); @@ -62,4 +54,0 @@ u32 rtl818x_ioread32_idx(struct rtl8187_ - usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), - RTL8187_REQ_GET_REG, RTL8187_REQT_READ, - (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits32, sizeof(val), HZ / 2); @@ -79,4 +67,0 @@ void rtl818x_iowrite8_idx(struct rtl8187 - usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), - RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, - (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits8, sizeof(val), HZ / 2); @@ -93,4 +77,0 @@ void rtl818x_iowrite16_idx(struct rtl818 - usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), - RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, - (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits16, sizeof(val), HZ / 2); @@ -107,4 +87,0 @@ void rtl818x_iowrite32_idx(struct rtl818 - usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), - RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, - (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits32, sizeof(val), HZ / 2); @@ -183,4 +159,0 @@ static void rtl8225_write_8051(struct ie - usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), - RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, - addr, 0x8225, &priv->io_dmabuf->bits16, sizeof(data), - HZ / 2); diff -U 0 -p ./drivers/net/wireless/ath/ath6kl/usb.c /tmp/nothing/drivers/net/wireless/ath/ath6kl/usb.c --- ./drivers/net/wireless/ath/ath6kl/usb.c +++ /tmp/nothing/drivers/net/wireless/ath/ath6kl/usb.c @@ -905,6 +905,0 @@ static int ath6kl_usb_submit_ctrl_in(str - ret = usb_control_msg(ar_usb->udev, - usb_rcvctrlpipe(ar_usb->udev, 0), - req, - USB_DIR_IN | USB_TYPE_VENDOR | - USB_RECIP_DEVICE, value, index, buf, - size, 2 * HZ); diff -U 0 -p ./drivers/net/wireless/ath/ath10k/usb.c /tmp/nothing/drivers/net/wireless/ath/ath10k/usb.c --- ./drivers/net/wireless/ath/ath10k/usb.c +++ /tmp/nothing/drivers/net/wireless/ath/ath10k/usb.c @@ -523,6 +523,0 @@ static int ath10k_usb_submit_ctrl_in(str - ret = usb_control_msg(ar_usb->udev, - usb_rcvctrlpipe(ar_usb->udev, 0), - req, - USB_DIR_IN | USB_TYPE_VENDOR | - USB_RECIP_DEVICE, value, index, buf, - size, 2 * HZ); diff -U 0 -p ./drivers/most/most_usb.c /tmp/nothing/drivers/most/most_usb.c --- ./drivers/most/most_usb.c +++ /tmp/nothing/drivers/most/most_usb.c @@ -149,4 +149,0 @@ static inline int drci_rd_reg(struct usb - retval = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), - DRCI_READ_REQ, req_type, - 0x0000, - reg, dma_buf, sizeof(*dma_buf), 5 * HZ); @@ -171,9 +167,0 @@ static inline int drci_wr_reg(struct usb - return usb_control_msg(dev, - usb_sndctrlpipe(dev, 0), - DRCI_WRITE_REQ, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - data, - reg, - NULL, - 0, - 5 * HZ); diff -U 0 -p ./drivers/mmc/host/vub300.c /tmp/nothing/drivers/mmc/host/vub300.c --- ./drivers/mmc/host/vub300.c +++ /tmp/nothing/drivers/mmc/host/vub300.c @@ -575,5 +575,0 @@ static void check_vub300_port_status(str - usb_control_msg(vub300->udev, usb_rcvctrlpipe(vub300->udev, 0), - GET_SYSTEM_PORT_STATUS, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0000, 0x0000, &vub300->system_port_status, - sizeof(vub300->system_port_status), HZ); @@ -1239,6 +1234,0 @@ static void __download_offload_pseudocod - usb_control_msg(vub300->udev, - usb_sndctrlpipe(vub300->udev, 0), - SET_INTERRUPT_PSEUDOCODE, - USB_DIR_OUT | USB_TYPE_VENDOR | - USB_RECIP_DEVICE, 0x0000, 0x0000, - xfer_buffer, xfer_length, HZ); @@ -1282,6 +1271,0 @@ static void __download_offload_pseudocod - usb_control_msg(vub300->udev, - usb_sndctrlpipe(vub300->udev, 0), - SET_TRANSFER_PSEUDOCODE, - USB_DIR_OUT | USB_TYPE_VENDOR | - USB_RECIP_DEVICE, 0x0000, 0x0000, - xfer_buffer, xfer_length, HZ); @@ -1991,4 +1974,0 @@ static void __set_clock_speed(struct vub - usb_control_msg(vub300->udev, usb_sndctrlpipe(vub300->udev, 0), - SET_CLOCK_SPEED, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x00, 0x00, buf, buf_array_size, HZ); @@ -2013,4 +1992,0 @@ static void vub300_mmc_set_ios(struct mm - usb_control_msg(vub300->udev, usb_sndctrlpipe(vub300->udev, 0), - SET_SD_POWER, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0000, 0x0000, NULL, 0, HZ); @@ -2020,4 +1995,0 @@ static void vub300_mmc_set_ios(struct mm - usb_control_msg(vub300->udev, usb_sndctrlpipe(vub300->udev, 0), - SET_SD_POWER, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0001, 0x0000, NULL, 0, HZ); @@ -2274,5 +2245,0 @@ static int vub300_probe(struct usb_inter - usb_control_msg(vub300->udev, usb_rcvctrlpipe(vub300->udev, 0), - GET_HC_INF0, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0000, 0x0000, &vub300->hc_info, - sizeof(vub300->hc_info), HZ); @@ -2282,4 +2248,0 @@ static int vub300_probe(struct usb_inter - usb_control_msg(vub300->udev, usb_sndctrlpipe(vub300->udev, 0), - SET_ROM_WAIT_STATES, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - firmware_rom_wait_states, 0x0000, NULL, 0, HZ); @@ -2296,5 +2258,0 @@ static int vub300_probe(struct usb_inter - usb_control_msg(vub300->udev, usb_rcvctrlpipe(vub300->udev, 0), - GET_SYSTEM_PORT_STATUS, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0000, 0x0000, &vub300->system_port_status, - sizeof(vub300->system_port_status), HZ); diff -U 0 -p ./drivers/media/usb/stk1160/stk1160-core.c /tmp/nothing/drivers/media/usb/stk1160/stk1160-core.c --- ./drivers/media/usb/stk1160/stk1160-core.c +++ /tmp/nothing/drivers/media/usb/stk1160/stk1160-core.c @@ -66,3 +66,0 @@ int stk1160_read_reg(struct stk1160 *dev - ret = usb_control_msg(dev->udev, pipe, 0x00, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x00, reg, buf, sizeof(u8), HZ); @@ -86,3 +83,0 @@ int stk1160_write_reg(struct stk1160 *de - ret = usb_control_msg(dev->udev, pipe, 0x01, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, reg, NULL, 0, HZ); diff -U 0 -p ./drivers/media/usb/s2255/s2255drv.c /tmp/nothing/drivers/media/usb/s2255/s2255drv.c --- ./drivers/media/usb/s2255/s2255drv.c +++ /tmp/nothing/drivers/media/usb/s2255/s2255drv.c @@ -1880,6 +1880,0 @@ static long s2255_vendor_req(struct s225 - r = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), - Request, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | - USB_DIR_IN, - Value, Index, buf, - TransferBufferLength, HZ * 5); @@ -1891,4 +1885,0 @@ static long s2255_vendor_req(struct s225 - r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), - Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, - Value, Index, buf, - TransferBufferLength, HZ * 5); diff -U 0 -p ./drivers/media/usb/pvrusb2/pvrusb2-hdw.c /tmp/nothing/drivers/media/usb/pvrusb2/pvrusb2-hdw.c --- ./drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ /tmp/nothing/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -1469,2 +1469,0 @@ static int pvr2_upload_firmware1(struct - ret += usb_control_msg(hdw->usb_dev, pipe, 0xa0, 0x40, address, - 0, fw_ptr, 0x800, HZ); @@ -3437,5 +3435,0 @@ void pvr2_hdw_cpufw_set_enabled(struct p - ret = usb_control_msg(hdw->usb_dev,pipe, - 0xa0,0xc0, - address,0, - hdw->fw_buffer+address, - 0x800,HZ); @@ -3980 +3973,0 @@ void pvr2_hdw_cpureset_assert(struct pvr - ret = usb_control_msg(hdw->usb_dev,pipe,0xa0,0x40,0xe600,0,da,1,HZ); diff -U 0 -p ./drivers/media/usb/em28xx/em28xx-core.c /tmp/nothing/drivers/media/usb/em28xx/em28xx-core.c --- ./drivers/media/usb/em28xx/em28xx-core.c +++ /tmp/nothing/drivers/media/usb/em28xx/em28xx-core.c @@ -90,3 +90,0 @@ int em28xx_read_reg_req_len(struct em28x - ret = usb_control_msg(udev, pipe, req, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0000, reg, dev->urb_buf, len, HZ); @@ -159,3 +156,0 @@ int em28xx_write_regs_req(struct em28xx - ret = usb_control_msg(udev, pipe, req, - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0x0000, reg, dev->urb_buf, len, HZ); diff -U 0 -p ./drivers/media/usb/cpia2/cpia2_usb.c /tmp/nothing/drivers/media/usb/cpia2/cpia2_usb.c --- ./drivers/media/usb/cpia2/cpia2_usb.c +++ /tmp/nothing/drivers/media/usb/cpia2/cpia2_usb.c @@ -545,9 +545,0 @@ static int write_packet(struct usb_devic - ret = usb_control_msg(udev, - usb_sndctrlpipe(udev, 0), - request, - USB_TYPE_VENDOR | USB_RECIP_DEVICE, - start, /* value */ - 0, /* index */ - buf, /* buffer */ - size, - HZ); @@ -577,9 +568,0 @@ static int read_packet(struct usb_device - ret = usb_control_msg(udev, - usb_rcvctrlpipe(udev, 0), - request, - USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE, - start, /* value */ - 0, /* index */ - buf, /* buffer */ - size, - HZ); diff -U 0 -p ./drivers/media/usb/b2c2/flexcop-usb.c /tmp/nothing/drivers/media/usb/b2c2/flexcop-usb.c --- ./drivers/media/usb/b2c2/flexcop-usb.c +++ /tmp/nothing/drivers/media/usb/b2c2/flexcop-usb.c @@ -82,9 +82,0 @@ static int flexcop_usb_readwrite_dw(stru - ret = usb_control_msg(fc_usb->udev, - read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT, - request, - request_type, /* 0xc0 read or 0x40 write */ - wAddress, - 0, - fc_usb->data, - sizeof(u32), - B2C2_WAIT_FOR_OPERATION_RDW * HZ); @@ -151,8 +142,0 @@ static int flexcop_usb_v8_memory_req(str - ret = usb_control_msg(fc_usb->udev, pipe, - req, - request_type, - wAddress, - wIndex, - fc_usb->data, - buflen, - nWaitTime * HZ); @@ -277,8 +260,0 @@ static int flexcop_usb_i2c_req(struct fl - ret = usb_control_msg(fc_usb->udev, pipe, - req, - request_type, - wValue, - wIndex, - fc_usb->data, - buflen, - nWaitTime * HZ); diff -U 0 -p ./drivers/media/rc/redrat3.c /tmp/nothing/drivers/media/rc/redrat3.c --- ./drivers/media/rc/redrat3.c +++ /tmp/nothing/drivers/media/rc/redrat3.c @@ -405,3 +405,0 @@ static int redrat3_send_cmd(int cmd, str - res = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), cmd, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0x0000, 0x0000, data, sizeof(u8), HZ * 10); @@ -481,3 +478,0 @@ static u32 redrat3_get_timeout(struct re - ret = usb_control_msg(rr3->udev, pipe, RR3_GET_IR_PARAM, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - RR3_IR_IO_SIG_TIMEOUT, 0, tmp, len, HZ * 5); @@ -510,4 +504,0 @@ static int redrat3_set_timeout(struct rc - ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RR3_SET_IR_PARAM, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_SIG_TIMEOUT, 0, timeout, sizeof(*timeout), - HZ * 25); @@ -543,3 +533,0 @@ static void redrat3_reset(struct redrat3 - rc = usb_control_msg(udev, rxpipe, RR3_RESET, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - RR3_CPUCS_REG_ADDR, 0, val, len, HZ * 25); @@ -549,3 +536,0 @@ static void redrat3_reset(struct redrat3 - rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_LENGTH_FUZZ, 0, val, len, HZ * 25); @@ -555,3 +539,0 @@ static void redrat3_reset(struct redrat3 - rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_MIN_PAUSE, 0, val, len, HZ * 25); @@ -561,3 +542,0 @@ static void redrat3_reset(struct redrat3 - rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_PERIODS_MF, 0, val, len, HZ * 25); @@ -568,3 +546,0 @@ static void redrat3_reset(struct redrat3 - rc = usb_control_msg(udev, txpipe, RR3_SET_IR_PARAM, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - RR3_IR_IO_MAX_LENGTHS, 0, val, len, HZ * 25); @@ -585,4 +560,0 @@ static void redrat3_get_firmware_rev(str - rc = usb_control_msg(rr3->udev, usb_rcvctrlpipe(rr3->udev, 0), - RR3_FW_VERSION, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0, 0, buffer, RR3_FW_VERSION_LEN, HZ * 5); @@ -833,3 +804,0 @@ static int redrat3_transmit_ir(struct rc - ret = usb_control_msg(rr3->udev, pipe, RR3_TX_SEND_SIGNAL, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - 0, 0, irdata, 2, HZ * 10); diff -U 0 -p ./drivers/media/rc/mceusb.c /tmp/nothing/drivers/media/rc/mceusb.c --- ./drivers/media/rc/mceusb.c +++ /tmp/nothing/drivers/media/rc/mceusb.c @@ -1431,3 +1431,0 @@ static void mceusb_gen1_init(struct mceu - ret = usb_control_msg(ir->usbdev, usb_rcvctrlpipe(ir->usbdev, 0), - USB_REQ_SET_ADDRESS, USB_TYPE_VENDOR, 0, 0, - data, USB_CTRL_MSG_SZ, HZ * 3); @@ -1439,3 +1436,0 @@ static void mceusb_gen1_init(struct mceu - ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), - USB_REQ_SET_FEATURE, USB_TYPE_VENDOR, - 0xc04e, 0x0000, NULL, 0, HZ * 3); @@ -1446,3 +1440,0 @@ static void mceusb_gen1_init(struct mceu - ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), - 4, USB_TYPE_VENDOR, - 0x0808, 0x0000, NULL, 0, HZ * 3); @@ -1452,3 +1443,0 @@ static void mceusb_gen1_init(struct mceu - ret = usb_control_msg(ir->usbdev, usb_sndctrlpipe(ir->usbdev, 0), - 2, USB_TYPE_VENDOR, - 0x0000, 0x0100, NULL, 0, HZ * 3); diff -U 0 -p ./drivers/input/joystick/iforce/iforce-usb.c /tmp/nothing/drivers/input/joystick/iforce/iforce-usb.c --- ./drivers/input/joystick/iforce/iforce-usb.c +++ /tmp/nothing/drivers/input/joystick/iforce/iforce-usb.c @@ -90,6 +90,0 @@ static int iforce_usb_get_id(struct ifor - status = usb_control_msg(iforce_usb->usbdev, - usb_rcvctrlpipe(iforce_usb->usbdev, 0), - id, - USB_TYPE_VENDOR | USB_DIR_IN | - USB_RECIP_INTERFACE, - 0, 0, buf, IFORCE_MAX_LENGTH, HZ); diff -U 0 -p ./drivers/gpu/drm/udl/udl_connector.c /tmp/nothing/drivers/gpu/drm/udl/udl_connector.c --- ./drivers/gpu/drm/udl/udl_connector.c +++ /tmp/nothing/drivers/gpu/drm/udl/udl_connector.c @@ -31,3 +31,0 @@ static int udl_get_edid_block(void *data - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - 0x02, (0x80 | (0x02 << 5)), bval, - 0xA1, read_buff, 2, HZ);
On Mon, Oct 25, 2021 at 08:41:36AM -0700, Joe Perches wrote:
On Mon, 2021-10-25 at 10:06 -0500, Larry Finger wrote:
On 10/25/21 07:09, Johan Hovold wrote:
USB control-message timeouts are specified in milliseconds and should specifically not vary with CONFIG_HZ.
There appears to be more than a few of these in the kernel.
$ cat usb_hz.cocci @@ expression e; @@
- usb_control_msg(..., HZ * e)
@@ expression e; @@
- usb_control_msg(..., HZ / e)
@@ @@
- usb_control_msg(..., HZ)
$ spatch --very-quiet -U 0 -sp-file usb_hz.cocci . warning: line 4: should HZ be a metavariable? warning: line 9: should HZ be a metavariable? warning: line 13: should HZ be a metavariable? 50 files match
Look at the lists, he's sent a bunch of fixes for this today to all the subsystems...
greg k-h
linux-stable-mirror@lists.linaro.org
-
Greg Kroah-Hartman -
Joe Perches -
Johan Hovold -
Larry Finger