From mboxrd@z Thu Jan 1 00:00:00 1970 From: santosh.shilimkar@oracle.com (santosh shilimkar) Date: Tue, 8 Dec 2015 08:53:53 -0800 Subject: [PATCH] soc: TI knav_qmss: fix dma_addr_t printing In-Reply-To: <2560281.KhcNzi0XgD@wuerfel> References: <2560281.KhcNzi0XgD@wuerfel> Message-ID: <56670B21.5060209@oracle.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 12/8/2015 7:30 AM, Arnd Bergmann wrote: > The knav_qmss driver is currently broken when CONFIG_LPAE is > set, which is a bit surprising because I'd expect that any serious > users of this platforms would have more than 2GB of RAM and require > LPAE. > Well it has been working with LPAE enable always. The production systems do but IIRC, some of the Eval board were still build with just 2 GB memory. > The compiler clearly warns about an incorrect use of dma_addr_t > in the debug kernel messages: > > ti/knav_qmss_queue.c: In function 'knav_queue_setup_region': > ti/knav_qmss_queue.c:1025:117: warning: format '%x' expects argument of type 'unsigned int', but argument 9 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=] > ti/knav_qmss_queue.c:1025:117: warning: format '%x' expects argument of type 'unsigned int', but argument 10 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=] > ti/knav_qmss_queue.c: In function 'knav_queue_setup_link_ram': > ti/knav_qmss_queue.c:1175:118: warning: format '%x' expects argument of type 'unsigned int', but argument 4 has type 'dma_addr_t {aka long long unsigned int}' [-Wformat=] > %x should have been %llx or %pad as your patch does now. > This patch changes all the debugging output to use the correct > %pad format string that works with both 32-bit and 64-bit dma_addr_t. > As the variable naming is somewhat confusing here, I also change > all *_phys names to *_dma when they refer to bus addresses that > are used for DMA rather than a physical memory address as seen from > the CPU. This is particularly important on keystone, because the > two things are not the same there. > Right. Rename sounds good. > Signed-off-by: Arnd Bergmann > --- Thanks for the patch Arnd !! Wingman/Murali, Can you guys please test this patch and update the thread ? I will queue this up for next merge window.