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SubjectRe: [PATCH] mailbox: qcom-apcs-ipc: use PLATFORM_DEVID_AUTO to register device
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@linaro.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

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
>

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