| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20230915-ep93xx-v4-38-a1d779dcec10@maquefel.me>
Date: Fri, 15 Sep 2023 11:11:20 +0300
From: Nikita Shubin via B4 Relay
<devnull+nikita.shubin.maquefel.me@...nel.org>
To: Hartley Sweeten <hsweeten@...ionengravers.com>,
Alexander Sverdlin <alexander.sverdlin@...il.com>,
Russell King <linux@...linux.org.uk>,
Sergey Shtylyov <s.shtylyov@....ru>,
Damien Le Moal <dlemoal@...nel.org>,
Nikita Shubin <nikita.shubin@...uefel.me>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Thierry Reding <thierry.reding@...il.com>,
Linus Walleij <linus.walleij@...aro.org>
Cc: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-ide@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
Alexander Sverdlin <alexander.sverdlin@...il.com>
Subject: [PATCH v4 38/42] ata: pata_ep93xx: remove legacy pinctrl use
From: Nikita Shubin <nikita.shubin@...uefel.me>
Drop legacy acquire/release since we are using pinctrl for this now.
Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>
Acked-by: Damien Le Moal <dlemoal@...nel.org>
Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
arch/arm/mach-ep93xx/core.c | 72 ---------------------------------------
drivers/ata/pata_ep93xx.c | 25 ++++----------
include/linux/soc/cirrus/ep93xx.h | 4 ---
3 files changed, 6 insertions(+), 95 deletions(-)
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 9afc6095d1c1..66dba9b4a6f9 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -778,78 +778,6 @@ void __init ep93xx_register_ide(void)
platform_device_register(&ep93xx_ide_device);
}
-int ep93xx_ide_acquire_gpio(struct platform_device *pdev)
-{
- int err;
- int i;
-
- err = gpio_request(EP93XX_GPIO_LINE_EGPIO2, dev_name(&pdev->dev));
- if (err)
- return err;
- err = gpio_request(EP93XX_GPIO_LINE_EGPIO15, dev_name(&pdev->dev));
- if (err)
- goto fail_egpio15;
- for (i = 2; i < 8; i++) {
- err = gpio_request(EP93XX_GPIO_LINE_E(i), dev_name(&pdev->dev));
- if (err)
- goto fail_gpio_e;
- }
- for (i = 4; i < 8; i++) {
- err = gpio_request(EP93XX_GPIO_LINE_G(i), dev_name(&pdev->dev));
- if (err)
- goto fail_gpio_g;
- }
- for (i = 0; i < 8; i++) {
- err = gpio_request(EP93XX_GPIO_LINE_H(i), dev_name(&pdev->dev));
- if (err)
- goto fail_gpio_h;
- }
-
- /* GPIO ports E[7:2], G[7:4] and H used by IDE */
- ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_EONIDE |
- EP93XX_SYSCON_DEVCFG_GONIDE |
- EP93XX_SYSCON_DEVCFG_HONIDE);
- return 0;
-
-fail_gpio_h:
- for (--i; i >= 0; --i)
- gpio_free(EP93XX_GPIO_LINE_H(i));
- i = 8;
-fail_gpio_g:
- for (--i; i >= 4; --i)
- gpio_free(EP93XX_GPIO_LINE_G(i));
- i = 8;
-fail_gpio_e:
- for (--i; i >= 2; --i)
- gpio_free(EP93XX_GPIO_LINE_E(i));
- gpio_free(EP93XX_GPIO_LINE_EGPIO15);
-fail_egpio15:
- gpio_free(EP93XX_GPIO_LINE_EGPIO2);
- return err;
-}
-EXPORT_SYMBOL(ep93xx_ide_acquire_gpio);
-
-void ep93xx_ide_release_gpio(struct platform_device *pdev)
-{
- int i;
-
- for (i = 2; i < 8; i++)
- gpio_free(EP93XX_GPIO_LINE_E(i));
- for (i = 4; i < 8; i++)
- gpio_free(EP93XX_GPIO_LINE_G(i));
- for (i = 0; i < 8; i++)
- gpio_free(EP93XX_GPIO_LINE_H(i));
- gpio_free(EP93XX_GPIO_LINE_EGPIO15);
- gpio_free(EP93XX_GPIO_LINE_EGPIO2);
-
-
- /* GPIO ports E[7:2], G[7:4] and H used by GPIO */
- ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_EONIDE |
- EP93XX_SYSCON_DEVCFG_GONIDE |
- EP93XX_SYSCON_DEVCFG_HONIDE);
-}
-EXPORT_SYMBOL(ep93xx_ide_release_gpio);
-
/*************************************************************************
* EP93xx ADC
*************************************************************************/
diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c
index 47686dc1fed6..bcf90e46bad4 100644
--- a/drivers/ata/pata_ep93xx.c
+++ b/drivers/ata/pata_ep93xx.c
@@ -928,28 +928,18 @@ static int ep93xx_pata_probe(struct platform_device *pdev)
void __iomem *ide_base;
int err;
- err = ep93xx_ide_acquire_gpio(pdev);
- if (err)
- return err;
-
/* INT[3] (IRQ_EP93XX_EXT3) line connected as pull down */
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- err = irq;
- goto err_rel_gpio;
- }
+ if (irq < 0)
+ return irq;
ide_base = devm_platform_get_and_ioremap_resource(pdev, 0, &mem_res);
- if (IS_ERR(ide_base)) {
- err = PTR_ERR(ide_base);
- goto err_rel_gpio;
- }
+ if (IS_ERR(ide_base))
+ return PTR_ERR(ide_base);
drv_data = devm_kzalloc(&pdev->dev, sizeof(*drv_data), GFP_KERNEL);
- if (!drv_data) {
- err = -ENOMEM;
- goto err_rel_gpio;
- }
+ if (!drv_data)
+ return -ENOMEM;
drv_data->pdev = pdev;
drv_data->ide_base = ide_base;
@@ -1006,8 +996,6 @@ static int ep93xx_pata_probe(struct platform_device *pdev)
err_rel_dma:
ep93xx_pata_release_dma(drv_data);
-err_rel_gpio:
- ep93xx_ide_release_gpio(pdev);
return err;
}
@@ -1019,7 +1007,6 @@ static int ep93xx_pata_remove(struct platform_device *pdev)
ata_host_detach(host);
ep93xx_pata_release_dma(drv_data);
ep93xx_pata_clear_regs(drv_data->ide_base);
- ep93xx_ide_release_gpio(pdev);
return 0;
}
diff --git a/include/linux/soc/cirrus/ep93xx.h b/include/linux/soc/cirrus/ep93xx.h
index 0df0f3322487..3212a145ae0f 100644
--- a/include/linux/soc/cirrus/ep93xx.h
+++ b/include/linux/soc/cirrus/ep93xx.h
@@ -12,15 +12,11 @@ struct regmap;
#define EP93XX_CHIP_REV_E2 7
#if defined(CONFIG_EP93XX_SOC_COMMON)
-int ep93xx_ide_acquire_gpio(struct platform_device *pdev);
-void ep93xx_ide_release_gpio(struct platform_device *pdev);
int ep93xx_i2s_acquire(void);
void ep93xx_i2s_release(void);
unsigned int ep93xx_chip_revision(void);
#else
-static inline int ep93xx_ide_acquire_gpio(struct platform_device *pdev) { return 0; }
-static inline void ep93xx_ide_release_gpio(struct platform_device *pdev) {}
static inline int ep93xx_i2s_acquire(void) { return 0; }
static inline void ep93xx_i2s_release(void) {}
static inline unsigned int ep93xx_chip_revision(void) { return 0; }
--
2.39.2
Powered by blists - more mailing lists