On Mon 12 Oct 21:12 CDT 2020, Shawn Guo wrote: > On MSM8916, only one qcom-apcs-msm8916-clk device is needed, as there is > only one APCS clock. However, on MSM8939 three APCS clocks need to be > registered for cluster0 (little cores), cluster1 (big cores) and CCI > (Cache Coherent Interconnect). That said, we will need to register 3 > qcom-apcs-msm8916-clk devices. Let's use PLATFORM_DEVID_AUTO rather > than PLATFORM_DEVID_NONE for platform_device_register_data() call. > Otherwise, the second APCS clock registration will fail due to duplicate > device name. > > [ 0.519657] sysfs: cannot create duplicate filename '/bus/platform/devices/qcom-apcs-msm8916-clk' > ... > [ 0.661158] qcom_apcs_ipc b111000.mailbox: failed to register APCS clk > > Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx> Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> Regards, Bjorn > --- > drivers/mailbox/qcom-apcs-ipc-mailbox.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c > index 077e5c6a9ef7..3d100a004760 100644 > --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c > +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c > @@ -128,7 +128,7 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev) > if (apcs_data->clk_name) { > apcs->clk = platform_device_register_data(&pdev->dev, > apcs_data->clk_name, > - PLATFORM_DEVID_NONE, > + PLATFORM_DEVID_AUTO, > NULL, 0); > if (IS_ERR(apcs->clk)) > dev_err(&pdev->dev, "failed to register APCS clk\n"); > -- > 2.17.1 >