From: Vitor Soares vitor.soares@synopsys.com
commit 907621e94d49b85cd76f13110eceb940a182c69e upstream.
The controller was being disabled incorrectly. The correct way is to clear the DEV_CTRL_ENABLE bit.
Fix this by clearing this bit.
Cc: Boris Brezillon bbrezillon@kernel.org Cc: stable@vger.kernel.org Fixes: 1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP") Signed-off-by: Vitor Soares vitor.soares@synopsys.com Signed-off-by: Boris Brezillon boris.brezillon@collabora.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/i3c/master/dw-i3c-master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -300,7 +300,7 @@ to_dw_i3c_master(struct i3c_master_contr
static void dw_i3c_master_disable(struct dw_i3c_master *master) { - writel(readl(master->regs + DEVICE_CTRL) & DEV_CTRL_ENABLE, + writel(readl(master->regs + DEVICE_CTRL) & ~DEV_CTRL_ENABLE, master->regs + DEVICE_CTRL); }