From: Vitor Soares <vitor.soares@xxxxxxxxxxxx>
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@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: 1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP")
Signed-off-by: Vitor Soares <vitor.soares@xxxxxxxxxxxx>
Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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);
}
