diff options
Diffstat (limited to 'packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch')
| -rw-r--r-- | packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch b/packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch new file mode 100644 index 0000000000..3a2eb05fd8 --- /dev/null +++ b/packages/linux/linux-omap2-git/beagleboard/TWL4030-09.patch @@ -0,0 +1,299 @@ +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 21557 invoked by uid 1003); 18 Jul 2008 01:35:32 -0000 +Received: from vger.kernel.org (209.132.176.167) + by mail.geekisp.com with SMTP; 18 Jul 2008 01:35:32 -0000 +Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand + id S1757008AbYGRBfb (ORCPT <rfc822;philip@balister.org>); + Thu, 17 Jul 2008 21:35:31 -0400 +Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756351AbYGRBfb + (ORCPT <rfc822;linux-omap-outgoing>); + Thu, 17 Jul 2008 21:35:31 -0400 +Received: from utopia.booyaka.com ([72.9.107.138]:49369 "EHLO + utopia.booyaka.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org + with ESMTP id S1756783AbYGRBfZ (ORCPT + <rfc822;linux-omap@vger.kernel.org>); Thu, 17 Jul 2008 21:35:25 -0400 +Received: (qmail 13900 invoked by uid 526); 18 Jul 2008 01:35:24 -0000 +MBOX-Line: From nobody Thu Jul 17 19:34:56 2008 +From: Paul Walmsley <paul@pwsan.com> +Subject: [PATCH 9/9] TWL4030: convert early interrupt mask/clear funcs to use + array +To: linux-omap@vger.kernel.org +Date: Thu, 17 Jul 2008 19:34:56 -0600 +Message-ID: <20080718013455.18943.62389.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 + +Mask/clear TWL module IMRs/ISRs by iterating through arrays rather than +using a block of cut-and-pasted commands. Removes 632 bytes of bloat. + +Signed-off-by: Paul Walmsley <paul@pwsan.com> +--- + + drivers/i2c/chips/twl4030-core.c | 218 ++++++++++++++++++++++++-------------- + 1 files changed, 137 insertions(+), 81 deletions(-) + +diff --git a/drivers/i2c/chips/twl4030-core.c b/drivers/i2c/chips/twl4030-core.c +index 5855f5f..47d547d 100644 +--- a/drivers/i2c/chips/twl4030-core.c ++++ b/drivers/i2c/chips/twl4030-core.c +@@ -153,6 +153,130 @@ + /* on I2C-1 for 2430SDP */ + #define CONFIG_I2C_TWL4030_ID 1 + ++/** ++ * struct twl4030_mod_iregs - TWL module IMR/ISR regs to mask/clear at init ++ * @mod_no: TWL4030 module number (e.g., TWL4030_MODULE_GPIO) ++ * @reg_cnt: number of IMR/ISR regs ++ * @imrs: pointer to array of TWL module interrupt mask register indices ++ * @isrs: pointer to array of TWL module interrupt status register indices ++ * ++ * Ties together TWL4030 modules and lists of IMR/ISR registers to mask/clear ++ * during twl_init_irq(). ++ */ ++struct twl4030_mod_iregs { ++ const u8 mod_no; ++ const u8 reg_cnt; ++ const u8 *imrs; ++ const u8 *isrs; ++}; ++ ++/* TWL4030 INT module interrupt mask registers */ ++static const u8 __initconst twl4030_int_imr_regs[] = { ++ TWL4030_INT_PWR_IMR1, ++ TWL4030_INT_PWR_IMR2, ++}; ++ ++/* TWL4030 INT module interrupt status registers */ ++static const u8 __initconst twl4030_int_isr_regs[] = { ++ TWL4030_INT_PWR_ISR1, ++ TWL4030_INT_PWR_ISR2, ++}; ++ ++/* TWL4030 INTERRUPTS module interrupt mask registers */ ++static const u8 __initconst twl4030_interrupts_imr_regs[] = { ++ TWL4030_INTERRUPTS_BCIIMR1A, ++ TWL4030_INTERRUPTS_BCIIMR1B, ++ TWL4030_INTERRUPTS_BCIIMR2A, ++ TWL4030_INTERRUPTS_BCIIMR2B, ++}; ++ ++/* TWL4030 INTERRUPTS module interrupt status registers */ ++static const u8 __initconst twl4030_interrupts_isr_regs[] = { ++ TWL4030_INTERRUPTS_BCIISR1A, ++ TWL4030_INTERRUPTS_BCIISR1B, ++ TWL4030_INTERRUPTS_BCIISR2A, ++ TWL4030_INTERRUPTS_BCIISR2B, ++}; ++ ++/* TWL4030 MADC module interrupt mask registers */ ++static const u8 __initconst twl4030_madc_imr_regs[] = { ++ TWL4030_MADC_IMR1, ++ TWL4030_MADC_IMR2, ++}; ++ ++/* TWL4030 MADC module interrupt status registers */ ++static const u8 __initconst twl4030_madc_isr_regs[] = { ++ TWL4030_MADC_ISR1, ++ TWL4030_MADC_ISR2, ++}; ++ ++/* TWL4030 keypad module interrupt mask registers */ ++static const u8 __initconst twl4030_keypad_imr_regs[] = { ++ TWL4030_KEYPAD_KEYP_IMR1, ++ TWL4030_KEYPAD_KEYP_IMR2, ++}; ++ ++/* TWL4030 keypad module interrupt status registers */ ++static const u8 __initconst twl4030_keypad_isr_regs[] = { ++ TWL4030_KEYPAD_KEYP_ISR1, ++ TWL4030_KEYPAD_KEYP_ISR2, ++}; ++ ++/* TWL4030 GPIO module interrupt mask registers */ ++static const u8 __initconst twl4030_gpio_imr_regs[] = { ++ REG_GPIO_IMR1A, ++ REG_GPIO_IMR1B, ++ REG_GPIO_IMR2A, ++ REG_GPIO_IMR2B, ++ REG_GPIO_IMR3A, ++ REG_GPIO_IMR3B, ++}; ++ ++/* TWL4030 GPIO module interrupt status registers */ ++static const u8 __initconst twl4030_gpio_isr_regs[] = { ++ REG_GPIO_ISR1A, ++ REG_GPIO_ISR1B, ++ REG_GPIO_ISR2A, ++ REG_GPIO_ISR2B, ++ REG_GPIO_ISR3A, ++ REG_GPIO_ISR3B, ++}; ++ ++/* TWL4030 modules that have IMR/ISR registers that must be masked/cleared */ ++static const struct twl4030_mod_iregs __initconst twl4030_mod_regs[] = { ++ { ++ .mod_no = TWL4030_MODULE_INT, ++ .reg_cnt = ARRAY_SIZE(twl4030_int_imr_regs), ++ .imrs = twl4030_int_imr_regs, ++ .isrs = twl4030_int_isr_regs, ++ }, ++ { ++ .mod_no = TWL4030_MODULE_INTERRUPTS, ++ .reg_cnt = ARRAY_SIZE(twl4030_interrupts_imr_regs), ++ .imrs = twl4030_interrupts_imr_regs, ++ .isrs = twl4030_interrupts_isr_regs, ++ }, ++ { ++ .mod_no = TWL4030_MODULE_MADC, ++ .reg_cnt = ARRAY_SIZE(twl4030_madc_imr_regs), ++ .imrs = twl4030_madc_imr_regs, ++ .isrs = twl4030_madc_isr_regs, ++ }, ++ { ++ .mod_no = TWL4030_MODULE_KEYPAD, ++ .reg_cnt = ARRAY_SIZE(twl4030_keypad_imr_regs), ++ .imrs = twl4030_keypad_imr_regs, ++ .isrs = twl4030_keypad_isr_regs, ++ }, ++ { ++ .mod_no = TWL4030_MODULE_GPIO, ++ .reg_cnt = ARRAY_SIZE(twl4030_gpio_imr_regs), ++ .imrs = twl4030_gpio_imr_regs, ++ .isrs = twl4030_gpio_isr_regs, ++ }, ++}; ++ ++ + /* Helper functions */ + static int + twl4030_detect_client(struct i2c_adapter *adapter, unsigned char sid); +@@ -756,7 +880,7 @@ static int twl4030_i2c_clear_isr(u8 mod_no, u8 reg) + + static void twl_init_irq(void) + { +- int i = 0; ++ int i, j; + int res = 0; + char *msg = "Unable to register interrupt subsystem"; + unsigned int irq_num; +@@ -767,86 +891,18 @@ static void twl_init_irq(void) + * since we initially do not have any TWL4030 module interrupt + * handlers present. + */ +- +- /* Mask INT (PWR) interrupts at TWL4030 */ +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff, +- TWL4030_INT_PWR_IMR1) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INT, 0xff, +- TWL4030_INT_PWR_IMR2) < 0); +- /* Clear TWL4030 INT (PWR) ISRs */ +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, +- TWL4030_INT_PWR_ISR1) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INT, +- TWL4030_INT_PWR_ISR2) < 0); +- +- /* Slave address 0x4A */ +- +- /* Mask BCI interrupts at TWL4030 */ +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, +- TWL4030_INTERRUPTS_BCIIMR1A) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, +- TWL4030_INTERRUPTS_BCIIMR2A) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, +- TWL4030_INTERRUPTS_BCIIMR1B) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_INTERRUPTS, 0xff, +- TWL4030_INTERRUPTS_BCIIMR2B) < 0); +- /* Clear TWL4030 BCI ISRs */ +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, +- TWL4030_INTERRUPTS_BCIISR1A) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, +- TWL4030_INTERRUPTS_BCIISR2A) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, +- TWL4030_INTERRUPTS_BCIISR1B) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_INTERRUPTS, +- TWL4030_INTERRUPTS_BCIISR2B) < 0); +- +- /* MAD C */ +- /* Mask MADC interrupts at TWL4030 */ +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff, +- TWL4030_MADC_IMR1) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_MADC, 0xff, +- TWL4030_MADC_IMR2) < 0); +- /* Clear TWL4030 MADC ISRs */ +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, +- TWL4030_MADC_ISR1) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_MADC, +- TWL4030_MADC_ISR2) < 0); +- +- /* key Pad */ +- /* Mask keypad interrupts at TWL4030 */ +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff, +- TWL4030_KEYPAD_KEYP_IMR1) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_KEYPAD, 0xff, +- TWL4030_KEYPAD_KEYP_IMR2) < 0); +- /* Clear TWL4030 keypad ISRs */ +- /* XXX does this still need to be done twice for some reason? */ +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, +- TWL4030_KEYPAD_KEYP_ISR1) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_KEYPAD, +- TWL4030_KEYPAD_KEYP_ISR2) < 0); +- +- /* Slave address 0x49 */ +- /* Mask GPIO interrupts at TWL4030 */ +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, +- REG_GPIO_IMR1A) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, +- REG_GPIO_IMR2A) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, +- REG_GPIO_IMR3A) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, +- REG_GPIO_IMR1B) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, +- REG_GPIO_IMR2B) < 0); +- WARN_ON(twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0xff, +- REG_GPIO_IMR3B) < 0); +- +- /* Clear TWL4030 GPIO ISRs */ +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1A) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2A) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3A) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR1B) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR2B) < 0); +- WARN_ON(twl4030_i2c_clear_isr(TWL4030_MODULE_GPIO, REG_GPIO_ISR3B) < 0); ++ for (i = 0; i < ARRAY_SIZE(twl4030_mod_regs); i++) { ++ const struct twl4030_mod_iregs tmr = twl4030_mod_regs[i]; ++ ++ for (j = 0; j < tmr.reg_cnt; j++) { ++ /* Mask interrupts at the TWL4030 */ ++ WARN_ON(twl4030_i2c_write_u8(tmr.mod_no, 0xff, ++ tmr.imrs[j]) < 0); ++ /* Clear TWL4030 ISRs */ ++ WARN_ON(twl4030_i2c_clear_isr(tmr.mod_no, ++ tmr.isrs[j]) < 0); ++ } ++ } + + /* install an irq handler for each of the PIH modules */ + for (i = TWL4030_IRQ_BASE; i < TWL4030_IRQ_END; i++) { + + +-- +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 + |