diff options
Diffstat (limited to 'target/linux/coldfire/patches/048-Fix-i2c-driver-bug-when-reinserting-as-module.patch')
-rw-r--r-- | target/linux/coldfire/patches/048-Fix-i2c-driver-bug-when-reinserting-as-module.patch | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/target/linux/coldfire/patches/048-Fix-i2c-driver-bug-when-reinserting-as-module.patch b/target/linux/coldfire/patches/048-Fix-i2c-driver-bug-when-reinserting-as-module.patch deleted file mode 100644 index a85aa56111..0000000000 --- a/target/linux/coldfire/patches/048-Fix-i2c-driver-bug-when-reinserting-as-module.patch +++ /dev/null @@ -1,75 +0,0 @@ -From 2c83888b2170d3883c9316c4d94dddc4b7f9ec68 Mon Sep 17 00:00:00 2001 -From: Alison Wang <b18965@freescale.com> -Date: Thu, 4 Aug 2011 09:59:55 +0800 -Subject: [PATCH 48/52] Fix i2c driver bug when reinserting as module - -Signed-off-by: Alison Wang <b18965@freescale.com> ---- - drivers/i2c/busses/i2c-mcf-slave.c | 14 ++++++++++++++ - drivers/i2c/busses/i2c-mcf.c | 14 ++++++++++++++ - 2 files changed, 28 insertions(+), 0 deletions(-) - ---- a/drivers/i2c/busses/i2c-mcf-slave.c -+++ b/drivers/i2c/busses/i2c-mcf-slave.c -@@ -273,8 +273,15 @@ static int __init gen_i2c_proc_init(void - return -ENOMEM; - return 0; - } -+ -+static int gen_i2c_proc_deinit(void) -+{ -+ remove_proc_entry("driver/i2c-adaptor-register", NULL); -+ return 0; -+} - #else - static inline int gen_i2c_proc_init(void) { return 0; } -+static inline int gen_i2c_proc_deinit(void) { return 0; } - #endif /* CONFIG_PROC_FS */ - - /* -@@ -345,6 +352,13 @@ static int __init i2c_coldfire_init(void - - static void __exit i2c_coldfire_exit(void) - { -+ int retval; -+ -+ retval = gen_i2c_proc_deinit(); -+ if (retval < 0) -+ printk(KERN_INFO "remove /proc/i2c-adaptor-register " -+ "for i2c slave mode failed!\n"); -+ - /* disable I2C and Interrupt */ - MCF_I2CR &= ~(MCF_I2CR_IEN | MCF_I2CR_IIEN); - free_irq(IRQ, NULL); ---- a/drivers/i2c/busses/i2c-mcf.c -+++ b/drivers/i2c/busses/i2c-mcf.c -@@ -669,8 +669,15 @@ static int __init gen_i2c_proc_init(void - return -ENOMEM; - return 0; - } -+ -+static int gen_i2c_proc_deinit(void) -+{ -+ remove_proc_entry("driver/i2c-adaptor-register", NULL); -+ return 0; -+} - #else - static inline int gen_i2c_proc_init(void) { return 0; } -+static inline int gen_i2c_proc_deinit(void) { return 0; } - #endif /* CONFIG_PROC_FS */ - - static int __init coldfire_i2c_init(void) -@@ -687,6 +694,13 @@ static int __init coldfire_i2c_init(void - - static void __exit coldfire_i2c_exit(void) - { -+ int retval; -+ -+ retval = gen_i2c_proc_deinit(); -+ if (retval < 0) -+ printk(KERN_INFO "remove /proc/i2c-adaptor-register " -+ "for i2c master mode failed!\n"); -+ - platform_driver_unregister(&mcf_i2c_driver); - } - |