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I am not sure workflow for this subsystem but, I believe this needs RB from Jassi. (subsystem maintainer). >> >> On 12/16/24 1:16 AM, Michal Simek wrote: >>> >>> >>> On 12/14/24 10:12, Uros Bizjak wrote: >>>> struct zynqmp_ipi_pdata __percpu *pdata is not a per-cpu variable, >>>> so it should not be annotated with __percpu annotation. >>>> >>>> Remove invalid __percpu annotation to fix several >>>> >>>> zynqmp-ipi-mailbox.c:920:15: warning: incorrect type in assignment >>>> (different address spaces) >>>> zynqmp-ipi-mailbox.c:920:15: expected struct zynqmp_ipi_pdata >>>> [noderef] __percpu *pdata >>>> zynqmp-ipi-mailbox.c:920:15: got void * >>>> zynqmp-ipi-mailbox.c:927:56: warning: incorrect type in argument 3 >>>> (different address spaces) >>>> zynqmp-ipi-mailbox.c:927:56: expected unsigned int [usertype] >>>> *out_value >>>> zynqmp-ipi-mailbox.c:927:56: got unsigned int [noderef] __percpu * >>>> ... >>>> >>>> and several >>>> >>>> drivers/mailbox/zynqmp-ipi-mailbox.c:924:9: warning: dereference of >>>> noderef expression >>>> ... >>>> >>>> sparse warnings. >>>> >>>> There were no changes in the resulting object file. >>>> >>>> Cc: stable@vger.kernel.org >>>> Fixes: 6ffb1635341b ("mailbox: zynqmp: handle SGI for shared IPI") >>>> Signed-off-by: Uros Bizjak >>>> Cc: Jassi Brar >>>> Cc: Michal Simek >>>> Cc: Tanmay Shah >>>> --- >>>> v2: - Fix typo in commit message >>>> - Add Fixes and Cc: stable. >>>> --- >>>> drivers/mailbox/zynqmp-ipi-mailbox.c | 2 +- >>>> 1 file changed, 1 insertion(+), 1 deletion(-) >>>> >>>> diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c b/drivers/mailbox/ >>>> zynqmp-ipi-mailbox.c >>>> index aa5249da59b2..0c143beaafda 100644 >>>> --- a/drivers/mailbox/zynqmp-ipi-mailbox.c >>>> +++ b/drivers/mailbox/zynqmp-ipi-mailbox.c >>>> @@ -905,7 +905,7 @@ static int zynqmp_ipi_probe(struct platform_device >>>> *pdev) >>>> { >>>> struct device *dev = &pdev->dev; >>>> struct device_node *nc, *np = pdev->dev.of_node; >>>> - struct zynqmp_ipi_pdata __percpu *pdata; >>>> + struct zynqmp_ipi_pdata *pdata; >>>> struct of_phandle_args out_irq; >>>> struct zynqmp_ipi_mbox *mbox; >>>> int num_mboxes, ret = -EINVAL; >>> >>> Tanmay: Please take a look >>> >>> I think this patch is correct. Pdata structure is allocated only once >>> not for every CPU and marking here is not correct. Information from >>> zynqmp_ipi_pdata are likely fixed and the same for every CPU. Only IRQ >>> handling is done per cpu basis but that's it. >>> >>> Reviewed-by: Michal Simek >>> >>> Thanks, >>> Michal >>> >>