diff options
Diffstat (limited to 'packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch')
| -rw-r--r-- | packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch new file mode 100644 index 0000000000..501437a365 --- /dev/null +++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-06.patch @@ -0,0 +1,220 @@ +X-Mozilla-Status: 0001 +X-Mozilla-Status2: 00000000 +Return-Path: <linux-omap-owner@vger.kernel.org> +X-Spam-Checker-Version: SpamAssassin 3.2.1 (2007-05-02) on shovel.geekisp.com +X-Spam-Level: +X-Spam-Status: No, score=-1.0 required=5.0 tests=AWL,DKIM_POLICY_SIGNSOME + autolearn=ham version=3.2.1 +Delivered-To: balister.org-philip@balister.org +Received: (qmail 19695 invoked by uid 1003); 18 Jul 2008 01:35:30 -0000 +Received: from vger.kernel.org (209.132.176.167) + by mail.geekisp.com with SMTP; 18 Jul 2008 01:35:30 -0000 +Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand + id S1756218AbYGRBf3 (ORCPT <rfc822;philip@balister.org>); + Thu, 17 Jul 2008 21:35:29 -0400 +Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754168AbYGRBf3 + (ORCPT <rfc822;linux-omap-outgoing>); + Thu, 17 Jul 2008 21:35:29 -0400 +Received: from utopia.booyaka.com ([72.9.107.138]:49366 "EHLO + utopia.booyaka.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org + with ESMTP id S1756218AbYGRBfZ (ORCPT + <rfc822;linux-omap@vger.kernel.org>); Thu, 17 Jul 2008 21:35:25 -0400 +Received: (qmail 13888 invoked by uid 526); 18 Jul 2008 01:35:23 -0000 +MBOX-Line: From nobody Thu Jul 17 19:34:53 2008 +From: Paul Walmsley <paul@pwsan.com> +Subject: [PATCH 6/9] TWL4030: change init-time IMR mask code to WARN if error +To: linux-omap@vger.kernel.org +Date: Thu, 17 Jul 2008 19:34:53 -0600 +Message-ID: <20080718013452.18943.96350.stgit@localhost.localdomain> +In-Reply-To: <20080718013205.18943.34047.stgit@localhost.localdomain> +References: <20080718013205.18943.34047.stgit@localhost.localdomain> +User-Agent: StGIT/0.14.3.163.g06f9 +MIME-Version: 1.0 +Content-Type: text/plain; charset="utf-8" +Content-Transfer-Encoding: 7bit +Sender: linux-omap-owner@vger.kernel.org +Precedence: bulk +List-ID: <linux-omap.vger.kernel.org> +X-Mailing-List: linux-omap@vger.kernel.org + +twl_init_irq() prints error messages and returns if any interrupt mask +register writes fail. Change this to generate a warning traceback and +to continue execution rather than skipping TWL init. (These mask +writes should not fail at all unless either the I2C bus or the TWL4030 +is somehow wedged.) + +Signed-off-by: Paul Walmsley <paul@pwsan.com> +--- + + drivers/i2c/chips/twl4030-core.c | 100 +++++++------------------------------- + 1 files changed, 18 insertions(+), 82 deletions(-) + +diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c +index 615fb84..1906635 100644 +--- a/drivers/i2c/chips/twl4030-core.c ++++ b/drivers/i2c/chips/twl4030-core.c +@@ -749,18 +749,10 @@ static void twl_init_irq(void) + */ + + /* PWR_IMR1 */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x1); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff, 0x1) < 0); + + /* PWR_IMR2 */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xFF, 0x3); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff, 0x3) < 0); + + /* Clear off any other pending interrupts on power */ + /* PWR_ISR1 */ +@@ -772,32 +764,16 @@ static void twl_init_irq(void) + /* Slave address 0x4A */ + + /* BCIIMR1A */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xFF, 0x2); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, 0x2) < 0); + +- /* BCIIMR2A */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xFF, 0x3); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ /* BCIIMR2A */ ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, 0x3) < 0); + +- /* BCIIMR1B */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xFF, 0x6); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ /* BCIIMR2A */ ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, 0x6) < 0); + + /* BCIIMR2B */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xFF, 0x7); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, 0x7) < 0); + + /* BCIISR1A */ + WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, 0x0) < 0); +@@ -813,18 +789,10 @@ static void twl_init_irq(void) + + /* MAD C */ + /* MADC_IMR1 */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xFF, 0x62); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff, 0x62) < 0); + + /* MADC_IMR2 */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xFF, 0x64); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff, 0x64) < 0); + + /* MADC_ISR1 */ + WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, 0x61) < 0); +@@ -834,68 +802,36 @@ static void twl_init_irq(void) + + /* key Pad */ + /* KEYPAD - IMR1 */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xFF, (0x12)); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff, 0x12) < 0); + + /* KEYPAD - ISR1 */ + /* XXX does this still need to be done twice for some reason? */ + WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x11) < 0); + + /* KEYPAD - IMR2 */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xFF, (0x14)); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff, 0x14) < 0); + + /* KEYPAD - ISR2 */ + WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, 0x13) < 0); + + /* Slave address 0x49 */ + /* GPIO_IMR1A */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xFF, (0x1C)); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1c) < 0); + + /* GPIO_IMR2A */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xFF, (0x1D)); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1d) < 0); + + /* GPIO_IMR3A */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xFF, (0x1E)); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x1e) < 0); + + /* GPIO_IMR1B */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xFF, (0x22)); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x22) < 0); + + /* GPIO_IMR2B */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xFF, (0x23)); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x23) < 0); + + /* GPIO_IMR3B */ +- res = twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xFF, (0x24)); +- if (res < 0) { +- pr_err("%s[%d][%d]\n", msg, res, __LINE__); +- return; +- } ++ WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, 0x24) < 0); + + /* GPIO_ISR1A */ + WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, 0x19) < 0); + + +-- +To unsubscribe from this list: send the line "unsubscribe linux-omap" in +the body of a message to majordomo@vger.kernel.org +More majordomo info at http://vger.kernel.org/majordomo-info.html + |