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authorFabio Estevam <fabio.estevam@freescale.com>2012-05-25 17:27:20 -0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-05-28 15:50:20 +0100
commit41c73b6e89c69cbe36fae5b24da04d6fb52c3b11 (patch)
tree5e38559c0908472692784eac66df9a218a2b13ea
parent766812e6d5e2e23be1e212cf84902d5e834dd865 (diff)
ASoC: imx-ssi: Use clk_prepare_enable/clk_disable_unprepare
Fix the following kernel crash: ------------[ cut here ]------------ WARNING: at drivers/clk/clk.c:508 __clk_enable+0x9c/0xa8() Modules linked in: Backtrace: [<80011ef4>] (dump_backtrace+0x0/0x10c) from [<803fd48c>] (dump_stack+0x18/0x1c) r7:00000009 r6:000001fc r5:803002ac r4:00000000 [<803fd474>] (dump_stack+0x0/0x1c) from [<8002003c>] (warn_slowpath_common+0x54/0x6c) [<8001ffe8>] (warn_slowpath_common+0x0/0x6c) from [<80020078>] (warn_slowpath_null+0x24/0x2c) r9:00000090 r8:8600e2c0 r7:8605c808 r6:8605c800 r5:8605d780 r4:8600e2c0 [<80020054>] (warn_slowpath_null+0x0/0x2c) from [<803002ac>] (__clk_enable+0x9c/0xa8) [<80300210>] (__clk_enable+0x0/0xa8) from [<803002d0>] (clk_enable+0x18/0x30) r5:8605d780 r4:80000013 [<803002b8>] (clk_enable+0x0/0x30) from [<803247c4>] (imx_ssi_probe+0xa0/0x4f4) r5:8605d780 r4:86174180 [<80324724>] (imx_ssi_probe+0x0/0x4f4) from [<8022b0fc>] (platform_drv_probe+0x20/0x24) [<8022b0dc>] (platform_drv_probe+0x0/0x24) from [<80229c40>] (driver_probe_device+0x80/0x1f0) [<80229bc0>] (driver_probe_device+0x0/0x1f0) from [<80229e44>] (__driver_attach+0x94/0x98) r9:00000090 r8:805b7800 r7:00000000 r6:8605c83c r5:805b1b44 r4:8605c808 [<80229db0>] (__driver_attach+0x0/0x98) from [<8022856c>] (bus_for_each_dev+0x68/0x94) r7:00000000 r6:80229db0 r5:86033eb0 r4:805b1b44 [<80228504>] (bus_for_each_dev+0x0/0x94) from [<80229aa0>] (driver_attach+0x20/0x28) r7:00000000 r6:86174100 r5:8059f6d0 r4:805b1b44 [<80229a80>] (driver_attach+0x0/0x28) from [<80228d50>] (bus_add_driver+0x18c/0x268) [<80228bc4>] (bus_add_driver+0x0/0x268) from [<8022a474>] (driver_register+0x80/0x134) [<8022a3f4>] (driver_register+0x0/0x134) from [<8022b4a4>] (platform_driver_register+0x4c/0x60) r7:00000000 r6:805b7800 r5:00000018 r4:86032000 [<8022b458>] (platform_driver_register+0x0/0x60) from [<80556890>] (imx_ssi_driver_init+0x14/0x1c) [<8055687c>] (imx_ssi_driver_init+0x0/0x1c) from [<8000868c>] (do_one_initcall+0x40/0x194) [<8000864c>] (do_one_initcall+0x0/0x194) from [<8052f3b0>] (kernel_init+0x114/0x1f0) [<8052f29c>] (kernel_init+0x0/0x1f0) from [<8002445c>] (do_exit+0x0/0x788) ---[ end trace d4aa739205917dbb ]--- asoc: mc13783-hifi <-> imx-ssi.0 mapping ok Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--sound/soc/fsl/imx-ssi.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index cf3ed0362c9c..28dd76c7cb1c 100644
--- a/sound/soc/fsl/imx-ssi.c
+++ b/sound/soc/fsl/imx-ssi.c
@@ -543,7 +543,7 @@ static int imx_ssi_probe(struct platform_device *pdev)
ret);
goto failed_clk;
}
- clk_enable(ssi->clk);
+ clk_prepare_enable(ssi->clk);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
@@ -641,7 +641,7 @@ failed_ac97:
failed_ioremap:
release_mem_region(res->start, resource_size(res));
failed_get_resource:
- clk_disable(ssi->clk);
+ clk_disable_unprepare(ssi->clk);
clk_put(ssi->clk);
failed_clk:
kfree(ssi);
@@ -664,7 +664,7 @@ static int __devexit imx_ssi_remove(struct platform_device *pdev)
iounmap(ssi->base);
release_mem_region(res->start, resource_size(res));
- clk_disable(ssi->clk);
+ clk_disable_unprepare(ssi->clk);
clk_put(ssi->clk);
kfree(ssi);