From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp42.i.mail.ru ([94.100.177.102]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UxsRD-0003lW-Eq for barebox@lists.infradead.org; Sat, 13 Jul 2013 05:32:08 +0000 From: Alexander Shiyan Date: Sat, 13 Jul 2013 09:31:40 +0400 Message-Id: <1373693500-28123-1-git-send-email-shc_work@mail.ru> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] commands: spi: Fix spi read procedure To: barebox@lists.infradead.org Buffer for RX is set incorrectly. barebox@Phytec phyCORE-i.MX27:/ spi -r 128 -v device config bus_num = 0 max_speed_hz = 1000000 chip_select = 0 mode = 0x0 bits_per_word = 8 wrote 0 bytes 00000000: read 128 bytes 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ unable to handle paging request at address 0x4dffd3d0 pc : [] lr : [] sp : a7fff890 ip : a7fff860 fp : a7f68820 r10: a6ffe9bc r9 : 00000000 r8 : 00000001 r7 : a6ffe9ec r6 : a6f00000 r5 : a6ffe9ec r4 : a6ffe9e4 r3 : a6ffe9e4 r2 : a6ffe9e5 r1 : a6ffe9e4 r0 : 4dffd3cc Flags: nZCv IRQs off FIQs off Mode SVC_32 ... Signed-off-by: Alexander Shiyan --- commands/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/commands/spi.c b/commands/spi.c index 2f6b430..79fc539 100644 --- a/commands/spi.c +++ b/commands/spi.c @@ -81,7 +81,7 @@ static int do_spi(int argc, char *argv[]) } tx_buf = xmalloc(count); - rx_buf = xmalloc(count); + rx_buf = xmalloc(read); for (i = 0; i < count; i++) tx_buf[i] = (u8) simple_strtol(argv[optind + i], NULL, 16); -- 1.8.1.5 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox