diff options
Diffstat (limited to 'recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0001-pxa2xx-ac97-switch-AC-unit-to-correct-state-before.patch')
| -rw-r--r-- | recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0001-pxa2xx-ac97-switch-AC-unit-to-correct-state-before.patch | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0001-pxa2xx-ac97-switch-AC-unit-to-correct-state-before.patch b/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0001-pxa2xx-ac97-switch-AC-unit-to-correct-state-before.patch deleted file mode 100644 index 09f0cb946c..0000000000 --- a/recipes/kexecboot/linux-kexecboot-2.6.24/tosa/0001-pxa2xx-ac97-switch-AC-unit-to-correct-state-before.patch +++ /dev/null @@ -1,56 +0,0 @@ -From 688df15bb534519e0698cc8e4a4d9234afd32105 Mon Sep 17 00:00:00 2001 -From: Dmitry Baryshkov <dbaryshkov@gmail.com> -Date: Fri, 7 Nov 2008 15:50:39 +0300 -Subject: [PATCH] pxa2xx-ac97: switch AC unit to correct state before probing - -If AC97 unit is in partially enabled state, early request_irq can trigger -IRQ storm or even full hang up. Workaround this by forcibly switching ACLINK off -at the start of the probe. - -Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> ---- - sound/soc/pxa/pxa2xx-ac97.c | 30 +++++++++++++++++------------- - 1 files changed, 17 insertions(+), 13 deletions(-) - -Index: linux-2.6.24/sound/soc/pxa/pxa2xx-ac97.c -=================================================================== ---- linux-2.6.24.orig/sound/soc/pxa/pxa2xx-ac97.c 2008-01-25 01:58:37.000000000 +0300 -+++ linux-2.6.24/sound/soc/pxa/pxa2xx-ac97.c 2008-11-15 20:02:45.396976363 +0300 -@@ -284,10 +284,6 @@ static int pxa2xx_ac97_probe(struct plat - { - int ret; - -- ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, IRQF_DISABLED, "AC97", NULL); -- if (ret < 0) -- goto err; -- - pxa_gpio_mode(GPIO31_SYNC_AC97_MD); - pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD); - pxa_gpio_mode(GPIO28_BITCLK_AC97_MD); -@@ -296,15 +292,23 @@ static int pxa2xx_ac97_probe(struct plat - /* Use GPIO 113 as AC97 Reset on Bulverde */ - pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT); - #endif -+ GCR = GCR_ACLINK_OFF; -+ - pxa_set_cken(CKEN_AC97, 1); -+ -+ ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, IRQF_DISABLED, "AC97", NULL); -+ if (ret < 0) -+ goto err; -+ -+ - return 0; - -- err: -- if (CKEN & (1 << CKEN_AC97)) { -+err: -+/* if (CKEN & (1 << CKEN_AC97)) {*/ - GCR |= GCR_ACLINK_OFF; - free_irq(IRQ_AC97, NULL); - pxa_set_cken(CKEN_AC97, 0); -- } -+/* }*/ - return ret; - } - |