The doorbell register set used for I2C arbitration is dedicated for this
purpose and there is no need to utilize other safety checks the platform
access register set uses.
Suggested-by: Mark Hasemeyer <markhas@xxxxxxxxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Reviewed-by: Mark Hasemeyer <markhas@xxxxxxxxxxxx>
Tested-by: Mark Hasemeyer <markhas@xxxxxxxxxxxx>
---
drivers/crypto/ccp/platform-access.c | 20 --------------------
1 file changed, 20 deletions(-)
diff --git a/drivers/crypto/ccp/platform-access.c b/drivers/crypto/ccp/platform-access.c
index b51fb1196932..1ad3a0a512b1 100644
--- a/drivers/crypto/ccp/platform-access.c
+++ b/drivers/crypto/ccp/platform-access.c
@@ -20,14 +20,6 @@
#define PSP_CMD_TIMEOUT_US (500 * USEC_PER_MSEC)
-/* Doorbell shouldn't be ringing */
-static int check_doorbell(u32 __iomem *doorbell)
-{
- u32 tmp;
-
- return readl_poll_timeout(doorbell, tmp, tmp != 0, 0, PSP_CMD_TIMEOUT_US);
-}
-
/* Recovery field should be equal 0 to start sending commands */
static int check_recovery(u32 __iomem *cmd)
{
@@ -156,18 +148,6 @@ int psp_ring_platform_doorbell(int msg)
mutex_lock(&pa_dev->doorbell_mutex);
- if (check_doorbell(button)) {
- dev_dbg(psp->dev, "doorbell is not ready\n");
- ret = -EBUSY;
- goto unlock;
- }
-
- if (check_recovery(cmd)) {
- dev_dbg(psp->dev, "doorbell command in recovery\n");
- ret = -EBUSY;
- goto unlock;
- }
-
if (wait_cmd(cmd)) {
dev_dbg(psp->dev, "doorbell command not done processing\n");
ret = -EBUSY;
--
2.34.1
