From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh.shilimkar@oracle.com (Santosh Shilimkar) Date: Wed, 30 Nov 2016 09:13:44 -0800 Subject: [PATCH v2] soc: ti: qmss: fix the case when !SMP In-Reply-To: References: <20161130165351.1154-1-grygorii.strashko@ti.com> Message-ID: <92af0586-7deb-9e94-a0e7-377337ebfb9e@oracle.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Anrd, Can you apply this to your non critical fixes queue ? On 11/30/2016 9:09 AM, Grygorii Strashko wrote: > + Santosh Shilimkar > > On 11/30/2016 10:53 AM, Grygorii Strashko wrote: >> The irq_set_affinity_hint() will always fail when !SMP and >> Networking will fail on Keystone 2 devices in this case. >> Hence, fix by ignoring IRQ affinity settings when !SMP. >> >> Cc: Arnd Bergmann >> Signed-off-by: Grygorii Strashko >> --- Acked-by: Santosh Shilimkar >> drivers/soc/ti/knav_qmss_queue.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/soc/ti/knav_qmss_queue.c >> b/drivers/soc/ti/knav_qmss_queue.c >> index b73e353..eacad57 100644 >> --- a/drivers/soc/ti/knav_qmss_queue.c >> +++ b/drivers/soc/ti/knav_qmss_queue.c >> @@ -1228,7 +1228,7 @@ static int knav_setup_queue_range(struct >> knav_device *kdev, >> >> range->num_irqs++; >> >> - if (oirq.args_count == 3) >> + if (IS_ENABLED(CONFIG_SMP) && oirq.args_count == 3) >> range->irqs[i].cpu_map = >> (oirq.args[2] & 0x0000ff00) >> 8; >> } >> >