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RE: Patch "cpufreq: dt-platdev: Add JH7110S SOC to the allowlist" has been added to the 6.6-stable tree

by Hal Feng

> On 19.12.25 20:34, Sasha Levin wrote: > This is a note to let you know that I've just added the patch titled > > cpufreq: dt-platdev: Add JH7110S SOC to the allowlist > > to the 6.6-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable- > queue.git;a=summary > > The filename of the patch is: > cpufreq-dt-platdev-add-jh7110s-soc-to-the-allowlist.patch > and it can be found in the queue-6.6 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, please let > <stable(a)vger.kernel.org> know about it. As series [1] is accepted, this patch will be not needed and will be reverted in the mainline. [1] https://lore.kernel.org/all/20251212211934.135602-1-e@freeshell.de/ So we should not add it to the stable tree. Thanks. Best regards, Hal > > > > commit 62295dd3b326acf42f033124c4a48278b71b53a4 > Author: Hal Feng <hal.feng(a)starfivetech.com> > Date: Thu Oct 16 16:00:48 2025 +0800 > > cpufreq: dt-platdev: Add JH7110S SOC to the allowlist > > [ Upstream commit 6e7970cab51d01b8f7c56f120486c571c22e1b80 ] > > Add the compatible strings for supporting the generic > cpufreq driver on the StarFive JH7110S SoC. > > Signed-off-by: Hal Feng <hal.feng(a)starfivetech.com> > Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt(a)canonical.com> > Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> > Signed-off-by: Sasha Levin <sashal(a)kernel.org> > > diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq- > dt-platdev.c > index c58c1defd7458..8b53388280d73 100644 > --- a/drivers/cpufreq/cpufreq-dt-platdev.c > +++ b/drivers/cpufreq/cpufreq-dt-platdev.c > @@ -87,6 +87,7 @@ static const struct of_device_id allowlist[] __initconst = { > { .compatible = "st-ericsson,u9540", }, > > { .compatible = "starfive,jh7110", }, > + { .compatible = "starfive,jh7110s", }, > > { .compatible = "ti,omap2", }, > { .compatible = "ti,omap4", },

3 days, 16 hours

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[PATCH net v3] net: macb: Relocate mog_init_rings() callback from macb_mac_link_up() to macb_open()

by Xiaolei Wang

In the non-RT kernel, local_bh_disable() merely disables preemption, whereas it maps to an actual spin lock in the RT kernel. Consequently, when attempting to refill RX buffers via netdev_alloc_skb() in macb_mac_link_up(), a deadlock scenario arises as follows: WARNING: possible circular locking dependency detected 6.18.0-08691-g2061f18ad76e #39 Not tainted ------------------------------------------------------ kworker/0:0/8 is trying to acquire lock: ffff00080369bbe0 (&bp->lock){+.+.}-{3:3}, at: macb_start_xmit+0x808/0xb7c but task is already holding lock: ffff000803698e58 (&queue->tx_ptr_lock){+...}-{3:3}, at: macb_start_xmit +0x148/0xb7c which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&queue->tx_ptr_lock){+...}-{3:3}: rt_spin_lock+0x50/0x1f0 macb_start_xmit+0x148/0xb7c dev_hard_start_xmit+0x94/0x284 sch_direct_xmit+0x8c/0x37c __dev_queue_xmit+0x708/0x1120 neigh_resolve_output+0x148/0x28c ip6_finish_output2+0x2c0/0xb2c __ip6_finish_output+0x114/0x308 ip6_output+0xc4/0x4a4 mld_sendpack+0x220/0x68c mld_ifc_work+0x2a8/0x4f4 process_one_work+0x20c/0x5f8 worker_thread+0x1b0/0x35c kthread+0x144/0x200 ret_from_fork+0x10/0x20 -> #2 (_xmit_ETHER#2){+...}-{3:3}: rt_spin_lock+0x50/0x1f0 sch_direct_xmit+0x11c/0x37c __dev_queue_xmit+0x708/0x1120 neigh_resolve_output+0x148/0x28c ip6_finish_output2+0x2c0/0xb2c __ip6_finish_output+0x114/0x308 ip6_output+0xc4/0x4a4 mld_sendpack+0x220/0x68c mld_ifc_work+0x2a8/0x4f4 process_one_work+0x20c/0x5f8 worker_thread+0x1b0/0x35c kthread+0x144/0x200 ret_from_fork+0x10/0x20 -> #1 ((softirq_ctrl.lock)){+.+.}-{3:3}: lock_release+0x250/0x348 __local_bh_enable_ip+0x7c/0x240 __netdev_alloc_skb+0x1b4/0x1d8 gem_rx_refill+0xdc/0x240 gem_init_rings+0xb4/0x108 macb_mac_link_up+0x9c/0x2b4 phylink_resolve+0x170/0x614 process_one_work+0x20c/0x5f8 worker_thread+0x1b0/0x35c kthread+0x144/0x200 ret_from_fork+0x10/0x20 -> #0 (&bp->lock){+.+.}-{3:3}: __lock_acquire+0x15a8/0x2084 lock_acquire+0x1cc/0x350 rt_spin_lock+0x50/0x1f0 macb_start_xmit+0x808/0xb7c dev_hard_start_xmit+0x94/0x284 sch_direct_xmit+0x8c/0x37c __dev_queue_xmit+0x708/0x1120 neigh_resolve_output+0x148/0x28c ip6_finish_output2+0x2c0/0xb2c __ip6_finish_output+0x114/0x308 ip6_output+0xc4/0x4a4 mld_sendpack+0x220/0x68c mld_ifc_work+0x2a8/0x4f4 process_one_work+0x20c/0x5f8 worker_thread+0x1b0/0x35c kthread+0x144/0x200 ret_from_fork+0x10/0x20 other info that might help us debug this: Chain exists of: &bp->lock --> _xmit_ETHER#2 --> &queue->tx_ptr_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&queue->tx_ptr_lock); lock(_xmit_ETHER#2); lock(&queue->tx_ptr_lock); lock(&bp->lock); *** DEADLOCK *** Call trace: show_stack+0x18/0x24 (C) dump_stack_lvl+0xa0/0xf0 dump_stack+0x18/0x24 print_circular_bug+0x28c/0x370 check_noncircular+0x198/0x1ac __lock_acquire+0x15a8/0x2084 lock_acquire+0x1cc/0x350 rt_spin_lock+0x50/0x1f0 macb_start_xmit+0x808/0xb7c dev_hard_start_xmit+0x94/0x284 sch_direct_xmit+0x8c/0x37c __dev_queue_xmit+0x708/0x1120 neigh_resolve_output+0x148/0x28c ip6_finish_output2+0x2c0/0xb2c __ip6_finish_output+0x114/0x308 ip6_output+0xc4/0x4a4 mld_sendpack+0x220/0x68c mld_ifc_work+0x2a8/0x4f4 process_one_work+0x20c/0x5f8 worker_thread+0x1b0/0x35c kthread+0x144/0x200 ret_from_fork+0x10/0x20 Notably, invoking the mog_init_rings() callback upon link establishment is unnecessary. Instead, we can exclusively call mog_init_rings() within the ndo_open() callback. This adjustment resolves the deadlock issue. Furthermore, since MACB_CAPS_MACB_IS_EMAC cases do not use mog_init_rings() when opening the network interface via at91ether_open(), moving mog_init_rings() to macb_open() also eliminates the MACB_CAPS_MACB_IS_EMAC check. Fixes: 633e98a711ac ("net: macb: use resolved link config in mac_link_up()") Cc: stable(a)vger.kernel.org Suggested-by: Kevin Hao <kexin.hao(a)windriver.com> Signed-off-by: Xiaolei Wang <xiaolei.wang(a)windriver.com> --- V1: https://patchwork.kernel.org/project/netdevbpf/patch/20251128103647.351259-… V2: Update the correct lock dependency chain and add the Fix tag. V3: update commit log, Add full deadlock log added explanations: because MACB_CAPS_MACB_IS_EMAC cases do not use mog_init_rings(), we don't need the MACB_CAPS_MACB_IS_EMAC check when moving mog_init_rings() to macb_open(). drivers/net/ethernet/cadence/macb_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index ca2386b83473..064fccdcf699 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -744,7 +744,6 @@ static void macb_mac_link_up(struct phylink_config *config, /* Initialize rings & buffers as clearing MACB_BIT(TE) in link down * cleared the pipeline and control registers. */ - bp->macbgem_ops.mog_init_rings(bp); macb_init_buffers(bp); for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) @@ -2991,6 +2990,8 @@ static int macb_open(struct net_device *dev) goto pm_exit; } + bp->macbgem_ops.mog_init_rings(bp); + for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) { napi_enable(&queue->napi_rx); napi_enable(&queue->napi_tx); -- 2.43.0

3 days, 16 hours

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RE: Patch "cpufreq: dt-platdev: Add JH7110S SOC to the allowlist" has been added to the 6.12-stable tree

by Hal Feng

> On 19.12.25 20:33, Sasha Levin wrote: > > This is a note to let you know that I've just added the patch titled > > cpufreq: dt-platdev: Add JH7110S SOC to the allowlist > > to the 6.12-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable- > queue.git;a=summary > > The filename of the patch is: > cpufreq-dt-platdev-add-jh7110s-soc-to-the-allowlist.patch > and it can be found in the queue-6.12 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, please let > <stable(a)vger.kernel.org> know about it. As series [1] is accepted, this patch will be not needed and will be reverted in the mainline. [1] https://lore.kernel.org/all/20251212211934.135602-1-e@freeshell.de/ So we should not add it to the stable tree. Thanks. Best regards, Hal > > > > commit fb0dfa5be2ce8716ed8a7a6c8ffb8d36f5e03541 > Author: Hal Feng <hal.feng(a)starfivetech.com> > Date: Thu Oct 16 16:00:48 2025 +0800 > > cpufreq: dt-platdev: Add JH7110S SOC to the allowlist > > [ Upstream commit 6e7970cab51d01b8f7c56f120486c571c22e1b80 ] > > Add the compatible strings for supporting the generic > cpufreq driver on the StarFive JH7110S SoC. > > Signed-off-by: Hal Feng <hal.feng(a)starfivetech.com> > Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt(a)canonical.com> > Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> > Signed-off-by: Sasha Levin <sashal(a)kernel.org> > > diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq- > dt-platdev.c > index 67bac12d4d55b..dbd73cd0cf535 100644 > --- a/drivers/cpufreq/cpufreq-dt-platdev.c > +++ b/drivers/cpufreq/cpufreq-dt-platdev.c > @@ -87,6 +87,7 @@ static const struct of_device_id allowlist[] __initconst = { > { .compatible = "st-ericsson,u9540", }, > > { .compatible = "starfive,jh7110", }, > + { .compatible = "starfive,jh7110s", }, > > { .compatible = "ti,omap2", }, > { .compatible = "ti,omap4", },

3 days, 16 hours

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RE: Patch "cpufreq: dt-platdev: Add JH7110S SOC to the allowlist" has been added to the 6.18-stable tree

by Hal Feng

> On 19.12.25 20:31, Sasha Levin wrote: > This is a note to let you know that I've just added the patch titled > > cpufreq: dt-platdev: Add JH7110S SOC to the allowlist > > to the 6.18-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable- > queue.git;a=summary > > The filename of the patch is: > cpufreq-dt-platdev-add-jh7110s-soc-to-the-allowlist.patch > and it can be found in the queue-6.18 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, please let > <stable(a)vger.kernel.org> know about it. As series [1] is accepted, this patch will be not needed and will be reverted in the mainline. [1] https://lore.kernel.org/all/20251212211934.135602-1-e@freeshell.de/ So we should not add it to the stable tree. Thanks. Best regards, Hal > > > > commit f922a9b37397e7db449e3fa61c33c542ad783f87 > Author: Hal Feng <hal.feng(a)starfivetech.com> > Date: Thu Oct 16 16:00:48 2025 +0800 > > cpufreq: dt-platdev: Add JH7110S SOC to the allowlist > > [ Upstream commit 6e7970cab51d01b8f7c56f120486c571c22e1b80 ] > > Add the compatible strings for supporting the generic > cpufreq driver on the StarFive JH7110S SoC. > > Signed-off-by: Hal Feng <hal.feng(a)starfivetech.com> > Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt(a)canonical.com> > Signed-off-by: Viresh Kumar <viresh.kumar(a)linaro.org> > Signed-off-by: Sasha Levin <sashal(a)kernel.org> > > diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq- > dt-platdev.c > index cd1816a12bb99..dc11b62399ad5 100644 > --- a/drivers/cpufreq/cpufreq-dt-platdev.c > +++ b/drivers/cpufreq/cpufreq-dt-platdev.c > @@ -87,6 +87,7 @@ static const struct of_device_id allowlist[] __initconst = { > { .compatible = "st-ericsson,u9540", }, > > { .compatible = "starfive,jh7110", }, > + { .compatible = "starfive,jh7110s", }, > > { .compatible = "ti,omap2", }, > { .compatible = "ti,omap4", },

3 days, 16 hours

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ARMv7 Linux + Rust doesn't boot when compiling with only LLVM=1

by Rudraksha Gupta

Hello all, I have the following problem: https://gitlab.postmarketos.org/postmarketOS/pmbootstrap/-/issues/2635 In short, what is happening is the following: - The kernel boots and outputs via UART when I build the kernel with the following: make LLVM=1 ARCH="$arm" CC="${CC:-gcc}" - The kernel doesn't boot and there is no output via UART when I build the kernel with the following: make LLVM=1 ARCH="$arm" The only difference being: CC="${CC:-gcc}". Is this expected? I think this was present in the Linux kernel ever since Rust was enabled for ARMv7, and I never encountered it because postmarketOS was originally building the first way. Thanks, Rudraksha

3 days, 18 hours

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[PATCH v2] net: usb: sr9700: fix incorrect command used to write single register

by Ethan Nelson-Moore

This fixes the device failing to initialize with "error reading MAC address" for me, probably because the incorrect write of NCR_RST to SR_NCR is not actually resetting the device. Fixes: c9b37458e95629b1d1171457afdcc1bf1eb7881d ("USB2NET : SR9700 : One chip USB 1.1 USB2NET SR9700Device Driver Support") Cc: stable(a)vger.kernel.org Signed-off-by: Ethan Nelson-Moore <enelsonmoore(a)gmail.com> --- drivers/net/usb/sr9700.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/usb/sr9700.c b/drivers/net/usb/sr9700.c index 091bc2aca7e8..5d97e95a17b0 100644 --- a/drivers/net/usb/sr9700.c +++ b/drivers/net/usb/sr9700.c @@ -52,7 +52,7 @@ static int sr_read_reg(struct usbnet *dev, u8 reg, u8 *value) static int sr_write_reg(struct usbnet *dev, u8 reg, u8 value) { - return usbnet_write_cmd(dev, SR_WR_REGS, SR_REQ_WR_REG, + return usbnet_write_cmd(dev, SR_WR_REG, SR_REQ_WR_REG, value, reg, NULL, 0); } @@ -65,7 +65,7 @@ static void sr_write_async(struct usbnet *dev, u8 reg, u16 length, static void sr_write_reg_async(struct usbnet *dev, u8 reg, u8 value) { - usbnet_write_cmd_async(dev, SR_WR_REGS, SR_REQ_WR_REG, + usbnet_write_cmd_async(dev, SR_WR_REG, SR_REQ_WR_REG, value, reg, NULL, 0); } -- 2.43.0

3 days, 18 hours

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[PATCH v1 3/5] mm: Take into account mm_cid size for mm_struct static definitions

by Mathieu Desnoyers

Both init_mm and efi_mm static definitions need to make room for the 2 mm_cid cpumasks. This fixes possible out-of-bounds accesses to init_mm and efi_mm. Fixes: af7f588d8f73 ("sched: Introduce per-memory-map concurrency ID") Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> Cc: Andrew Morton <akpm(a)linux-foundation.org> Cc: Thomas Gleixner <tglx(a)linutronix.de> Cc: Mark Brown <broonie(a)kernel.org> Cc: stable(a)vger.kernel.org Cc: linux-mm(a)kvack.org --- include/linux/mm_types.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 1531df8cda52..aefa64db3499 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -1368,7 +1368,7 @@ extern struct mm_struct init_mm; #define MM_STRUCT_FLEXIBLE_ARRAY_INIT \ { \ - [0 ... sizeof(cpumask_t)-1] = 0 \ + [0 ... sizeof(cpumask_t) + MM_CID_STATIC_SIZE - 1] = 0 \ } /* Pointer magic because the dynamic array size confuses some compilers. */ @@ -1500,7 +1500,7 @@ static inline int mm_alloc_cid_noprof(struct mm_struct *mm, struct task_struct * mm_init_cid(mm, p); return 0; } -#define mm_alloc_cid(...) alloc_hooks(mm_alloc_cid_noprof(__VA_ARGS__)) +# define mm_alloc_cid(...) alloc_hooks(mm_alloc_cid_noprof(__VA_ARGS__)) static inline void mm_destroy_cid(struct mm_struct *mm) { @@ -1514,6 +1514,8 @@ static inline unsigned int mm_cid_size(void) return cpumask_size() + bitmap_size(num_possible_cpus()); } +/* Use NR_CPUS as worse case for static allocation. */ +# define MM_CID_STATIC_SIZE (2 * sizeof(cpumask_t)) #else /* CONFIG_SCHED_MM_CID */ static inline void mm_init_cid(struct mm_struct *mm, struct task_struct *p) { } static inline int mm_alloc_cid(struct mm_struct *mm, struct task_struct *p) { return 0; } @@ -1522,6 +1524,7 @@ static inline unsigned int mm_cid_size(void) { return 0; } +# define MM_CID_STATIC_SIZE 0 #endif /* CONFIG_SCHED_MM_CID */ struct mmu_gather; -- 2.39.5

3 days, 19 hours

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[PATCH v1 1/5] mm: Add missing static initializer for init_mm::mm_cid.lock

by Mathieu Desnoyers

Initialize the mm_cid.lock struct member of init_mm. Fixes: 8cea569ca785 ("sched/mmcid: Use proper data structures") Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> Cc: Andrew Morton <akpm(a)linux-foundation.org> Cc: Thomas Gleixner <tglx(a)linutronix.de> Cc: stable(a)vger.kernel.org Cc: linux-mm(a)kvack.org --- mm/init-mm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/init-mm.c b/mm/init-mm.c index 4600e7605cab..a514f8ce47e3 100644 --- a/mm/init-mm.c +++ b/mm/init-mm.c @@ -44,6 +44,9 @@ struct mm_struct init_mm = { .mm_lock_seq = SEQCNT_ZERO(init_mm.mm_lock_seq), #endif .user_ns = &init_user_ns, +#ifdef CONFIG_SCHED_MM_CID + .mm_cid.lock = __RAW_SPIN_LOCK_UNLOCKED(init_mm.mm_cid.lock), +#endif .cpu_bitmap = CPU_BITS_NONE, INIT_MM_CONTEXT(init_mm) }; -- 2.39.5

3 days, 19 hours

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[PATCH] iio: imu: inv_icm45600: fix temperature offset reporting

by Jean-Baptiste Maneyrol via B4 Relay

From: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol(a)tdk.com> Correct temperature computation is (raw + offset) * scale and not apply scale and offset afterward. Fix temperature offset reporting to the correct value and update commentaries for the new computation. Fixes: 27e072bc34d1 ("iio: imu: inv_icm45600: add IMU IIO gyroscope device") Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol(a)tdk.com> Cc: stable(a)vger.kernel.org --- drivers/iio/imu/inv_icm45600/inv_icm45600_core.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/iio/imu/inv_icm45600/inv_icm45600_core.c b/drivers/iio/imu/inv_icm45600/inv_icm45600_core.c index ab1cb7b9dba435a3280e50ab77cd16e903c7816c..25bd9757a594d0180d7f53b49f959a49a50c64a9 100644 --- a/drivers/iio/imu/inv_icm45600/inv_icm45600_core.c +++ b/drivers/iio/imu/inv_icm45600/inv_icm45600_core.c @@ -960,16 +960,17 @@ int inv_icm45600_temp_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; /* * T°C = (temp / 128) + 25 - * Tm°C = 1000 * ((temp * 100 / 12800) + 25) - * scale: 100000 / 13248 = 7.8125 - * offset: 25000 + * Tm°C = ((temp + 25 * 128) / 128)) * 1000 + * Tm°C = (temp + 3200) * (1000 / 128) + * scale: 1000 / 128 = 7.8125 + * offset: 3200 */ case IIO_CHAN_INFO_SCALE: *val = 7; *val2 = 812500; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_OFFSET: - *val = 25000; + *val = 3200; return IIO_VAL_INT; default: return -EINVAL; --- base-commit: a7b10f0963c651a6406d958a5f64b9c5594f84da change-id: 20251218-inv-icm45600-fix-temperature-offset-reporting-190a09adfdad Best regards, -- Jean-Baptiste Maneyrol <jean-baptiste.maneyrol(a)tdk.com>

3 days, 23 hours

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[PATCH] iio: adc: exynos_adc: fix OF populate on driver rebind

by Johan Hovold

Since commit c6e126de43e7 ("of: Keep track of populated platform devices") child devices will not be created by of_platform_populate() if the devices had previously been deregistered individually so that the OF_POPULATED flag is still set in the corresponding OF nodes. Switch to using of_platform_depopulate() instead of open coding so that the child devices are created if the driver is rebound. Fixes: c6e126de43e7 ("of: Keep track of populated platform devices") Cc: stable(a)vger.kernel.org # 3.16 Signed-off-by: Johan Hovold <johan(a)kernel.org> --- drivers/iio/adc/exynos_adc.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c index 1484adff00df..f2400897818c 100644 --- a/drivers/iio/adc/exynos_adc.c +++ b/drivers/iio/adc/exynos_adc.c @@ -540,15 +540,6 @@ static const struct iio_chan_spec exynos_adc_iio_channels[] = { ADC_CHANNEL(9, "adc9"), }; -static int exynos_adc_remove_devices(struct device *dev, void *c) -{ - struct platform_device *pdev = to_platform_device(dev); - - platform_device_unregister(pdev); - - return 0; -} - static int exynos_adc_probe(struct platform_device *pdev) { struct exynos_adc *info = NULL; @@ -660,8 +651,7 @@ static int exynos_adc_probe(struct platform_device *pdev) return 0; err_of_populate: - device_for_each_child(&indio_dev->dev, NULL, - exynos_adc_remove_devices); + of_platform_depopulate(&indio_dev->dev); iio_device_unregister(indio_dev); err_irq: free_irq(info->irq, info); @@ -681,8 +671,7 @@ static void exynos_adc_remove(struct platform_device *pdev) struct iio_dev *indio_dev = platform_get_drvdata(pdev); struct exynos_adc *info = iio_priv(indio_dev); - device_for_each_child(&indio_dev->dev, NULL, - exynos_adc_remove_devices); + of_platform_depopulate(&indio_dev->dev); iio_device_unregister(indio_dev); free_irq(info->irq, info); if (info->data->exit_hw) -- 2.51.2

4 days, 1 hour

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