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linux-ti33x-psp 3.2: fix pin free check once and for all

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Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>
This commit is contained in:
Koen Kooi
2012-05-23 18:05:58 +02:00
committed by Denys Dmytriyenko
parent 1d44de8f58
commit da7c9449fa
2 changed files with 70 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
recipes-kernel/linux/linux-ti33x-psp-3.2/beaglebone/0064-beaglebone-always-execute-the-pin-free-checks.patch
+68
View File
@@ -0,0 +1,68 @@
From 2b000164f7bd77838ec5c9ad5d392282a4e27b3f Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Wed, 23 May 2012 17:39:12 +0200
Subject: [PATCH 64/64] beaglebone: always execute the pin free checks
This code needs to run when there are no capes and when there are capes present.
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
arch/arm/mach-omap2/board-am335xevm.c | 26 +++++++++++++-------------
1 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
index 1f2d1fd..da6020b 100644
--- a/arch/arm/mach-omap2/board-am335xevm.c
+++ b/arch/arm/mach-omap2/board-am335xevm.c
@@ -2589,7 +2589,7 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
ret = mem_acc->read(mem_acc, (char *)&cape_config, 0, sizeof(cape_config));
if (ret != sizeof(cape_config)) {
pr_warning("BeagleBone cape EEPROM: could not read eeprom at address 0x%x\n", capecount + 0x53);
- return;
+ goto out2;
}
if (cape_config.header != AM335X_EEPROM_HEADER) {
@@ -2724,6 +2724,16 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
beaglebone_w1gpio_free = 0;
}
+ goto out2;
+out:
+ /*
+ * If the EEPROM hasn't been programed or an incorrect header
+ * or board name are read, assume this is an old beaglebone board
+ * (< Rev A3)
+ */
+ pr_err("Could not detect BeagleBone cape properly\n");
+ beaglebone_cape_detected = false;
+out2:
if (capecount > 3) {
if (beaglebone_tsadcpins_free == 1) {
pr_info("BeagleBone cape: exporting ADC pins to sysfs\n");
@@ -2741,20 +2751,10 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
spi_register_board_info(bone_spidev2_info, ARRAY_SIZE(bone_spidev2_info));
}
if(beaglebone_w1gpio_free == 1) {
+ pr_info("BeagleBone cape: initializing w1-gpio\n");
bonew1_gpio_init(0,0);
}
- }
-
- return;
-out:
- /*
- * If the EEPROM hasn't been programed or an incorrect header
- * or board name are read, assume this is an old beaglebone board
- * (< Rev A3)
- */
- pr_err("Could not detect BeagleBone cape properly\n");
- beaglebone_cape_detected = false;
-
+ }
}
static struct at24_platform_data cape_eeprom_info = {
--
1.7.7.6