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fixes i2c clock enable

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SVN-Revision: 32949
This commit is contained in:
John Crispin 2012-08-02 13:29:49 +00:00
parent e320a7e649
commit c2d3274ffc
1 changed files with 32 additions and 0 deletions
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32
target/linux/lantiq/patches-3.3/0072-fix_i2c_clock.patch Normal file
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@ -0,0 +1,32 @@
Index: linux-3.3.8/arch/mips/lantiq/falcon/sysctrl.c
===================================================================
--- linux-3.3.8.orig/arch/mips/lantiq/falcon/sysctrl.c 2012-08-02 15:14:10.811781411 +0200
+++ linux-3.3.8/arch/mips/lantiq/falcon/sysctrl.c 2012-08-02 15:16:24.587787128 +0200
@@ -171,6 +171,7 @@
clk->cl.con_id = NULL;
clk->cl.clk = clk;
clk->module = module;
+ clk->bits = bits;
clk->activate = ltq_sysctl_activate;
clk->deactivate = ltq_sysctl_deactivate;
clk->enable = ltq_sysctl_clken;
@@ -206,5 +207,5 @@
clkdev_add_sys("falcon_gpio.3", SYSCTL_SYS1, ACTS_PADCTRL3 | ACTS_P3);
clkdev_add_sys("falcon_gpio.4", SYSCTL_SYS1, ACTS_PADCTRL4 | ACTS_P4);
clkdev_add_sys("ltq_asc.1", SYSCTL_SYS1, ACTS_ASC1_ACT);
- clkdev_add_sys("falcon_i2c", SYSCTL_SYS1, ACTS_I2C_ACT);
+ clkdev_add_sys("i2c-falcon.0", SYSCTL_SYS1, ACTS_I2C_ACT);
}
Index: linux-3.3.8/drivers/i2c/busses/i2c-falcon.c
===================================================================
--- linux-3.3.8.orig/drivers/i2c/busses/i2c-falcon.c 2012-08-02 15:14:10.939781415 +0200
+++ linux-3.3.8/drivers/i2c/busses/i2c-falcon.c 2012-08-02 15:15:59.667786063 +0200
@@ -824,7 +824,7 @@
dev_err(&pdev->dev, "failed to get i2c clk\n");
return -ENOENT;
}
-
+ clk_activate(clk);
/* allocate private data */
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv) {