From f57661394a8b00029e37a5567a869e92bd13f3b8 Mon Sep 17 00:00:00 2001 From: Puneet Saxena Date: Tue, 3 Apr 2012 14:56:06 +0530 Subject: USB: Align buffers at cacheline This avoids cache-alignment warnings shown in console when a usb command is entered. Whenever X bytes of unaligned buffer is invalidated, arm core invalidates X + Y bytes as per the cache line size and throws these warnings. Signed-off-by: Puneet Saxena Signed-off-by: Marek Vasut --- include/scsi.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include/scsi.h') diff --git a/include/scsi.h b/include/scsi.h index c52759c788e..89ae45f8e8b 100644 --- a/include/scsi.h +++ b/include/scsi.h @@ -26,7 +26,9 @@ typedef struct SCSI_cmd_block{ unsigned char cmd[16]; /* command */ - unsigned char sense_buf[64]; /* for request sense */ + /* for request sense */ + unsigned char sense_buf[64] + __attribute__((aligned(ARCH_DMA_MINALIGN))); unsigned char status; /* SCSI Status */ unsigned char target; /* Target ID */ unsigned char lun; /* Target LUN */ -- cgit v1.2.3