From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
[ Upstream commit 74da272400b46f2e898f115d1b1cd60828766919 ]
Currently timeout for autoenumeration during probe and bus reset is set to 2 secs which is really a big value. This can have an adverse effect on boot time if the slave device is not ready/reset. This was the case with wcd938x which was not reset yet but we spent 2 secs waiting in the soundwire controller probe. Reduce this time to 1/10 of Hz which should be good enough time to finish autoenumeration if any slaves are available on the bus.
Reported-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org Link: https://lore.kernel.org/r/20220506084705.18525-1-srinivas.kandagatla@linaro.... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/soundwire/qcom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index b38525b35bec..7b8ef45abee4 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -105,7 +105,7 @@
#define SWRM_SPECIAL_CMD_ID 0xF #define MAX_FREQ_NUM 1 -#define TIMEOUT_MS (2 * HZ) +#define TIMEOUT_MS 100 #define QCOM_SWRM_MAX_RD_LEN 0x1 #define QCOM_SDW_MAX_PORTS 14 #define DEFAULT_CLK_FREQ 9600000