diff mbox series

[v2] i3c: dw: Fix dw_i3c_master_disable controller by using correct mask

Message ID 72bc802eb51555b8cf33595a87e06940e367777c.1554721267.git.vitor.soares@synopsys.com (mailing list archive)
State Mainlined
Commit 907621e94d49b85cd76f13110eceb940a182c69e
Headers show
Series [v2] i3c: dw: Fix dw_i3c_master_disable controller by using correct mask | expand

Commit Message

Vitor Soares April 8, 2019, 11:13 a.m. UTC
The controller was being disabled incorrectly. The correct way is to clear
the DEV_CTRL_ENABLE bit.

Fix this by by clearing this bit.

Signed-off-by: Vitor Soares <vitor.soares@synopsys.com>

Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: <stable@vger.kernel.org>
---
Changes v1 to v2:
  Fix commit Message
  Add Cc: <stable@vger.kernel.org>

 drivers/i3c/master/dw-i3c-master.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Sasha Levin April 8, 2019, 7:29 p.m. UTC | #1
Hi,

[This is an automated email]

This commit has been processed because it contains a -stable tag.
The stable tag indicates that it's relevant for the following trees: all

The bot has tested the following trees: v5.0.7, v4.19.34, v4.14.111, v4.9.168, v4.4.178, v3.18.138.

v5.0.7: Build OK!
v4.19.34: Failed to apply! Possible dependencies:
    1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP")
    603f2bee2c54 ("i3c: master: Add driver for Cadence IP")

v4.14.111: Failed to apply! Possible dependencies:
    1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP")
    603f2bee2c54 ("i3c: master: Add driver for Cadence IP")

v4.9.168: Failed to apply! Possible dependencies:
    1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP")
    603f2bee2c54 ("i3c: master: Add driver for Cadence IP")

v4.4.178: Failed to apply! Possible dependencies:
    1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP")
    603f2bee2c54 ("i3c: master: Add driver for Cadence IP")

v3.18.138: Failed to apply! Possible dependencies:
    1dd728f5d4d4 ("i3c: master: Add driver for Synopsys DesignWare IP")
    603f2bee2c54 ("i3c: master: Add driver for Cadence IP")


How should we proceed with this patch?

--
Thanks,
Sasha
diff mbox series

Patch

diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
index 5927922..10c26ff 100644
--- 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_controller *master)
 
 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);
 }