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Lines 10-15
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* Shyam Sundar S K <Shyam-sundar.S-k@amd.com> |
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* Shyam Sundar S K <Shyam-sundar.S-k@amd.com> |
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*/ |
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*/ |
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#include <linux/dmi.h> |
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#include <linux/err.h> |
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#include <linux/err.h> |
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#include <linux/bug.h> |
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#include <linux/bug.h> |
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#include <linux/kernel.h> |
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#include <linux/kernel.h> |
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Lines 36-41
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#include "pinctrl-utils.h" |
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#include "pinctrl-utils.h" |
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#include "pinctrl-amd.h" |
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#include "pinctrl-amd.h" |
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struct quirk_entry { |
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u16 ignore_pin; |
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}; |
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static struct quirk_entry quirk_gpio18_bug = { |
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.ignore_pin = 0x12, |
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}; |
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static const struct dmi_system_id fwbug_list[] __initconst = { |
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/* |
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* Interrupt storm on WLAN_WAKEUP pin |
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* https://bugzilla.kernel.org/show_bug.cgi?id=216208 |
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*/ |
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{ |
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.ident = "ASUS ZenBook UX325UAZ_UM325UAZ/UX325UAZ", |
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.driver_data = &quirk_gpio18_bug, |
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.matches = { |
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DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), |
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DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UAZ_UM325UAZ/UX325UAZ"), |
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}, |
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}, |
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}; |
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static int amd_gpio_get_direction(struct gpio_chip *gc, unsigned offset) |
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static int amd_gpio_get_direction(struct gpio_chip *gc, unsigned offset) |
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{ |
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{ |
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unsigned long flags; |
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unsigned long flags; |
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Lines 779-784
static int amd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
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enum pin_config_param param; |
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enum pin_config_param param; |
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struct amd_gpio *gpio_dev = pinctrl_dev_get_drvdata(pctldev); |
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struct amd_gpio *gpio_dev = pinctrl_dev_get_drvdata(pctldev); |
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if (gpio_dev->quirks && (gpio_dev->quirks->ignore_pin == pin)) { |
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dev_warn(&gpio_dev->pdev->dev, "Ignoring programming pin %d due to firmware bug\n", |
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pin); |
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return -ENOTSUPP; |
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} |
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raw_spin_lock_irqsave(&gpio_dev->lock, flags); |
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raw_spin_lock_irqsave(&gpio_dev->lock, flags); |
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for (i = 0; i < num_configs; i++) { |
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for (i = 0; i < num_configs; i++) { |
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param = pinconf_to_config_param(configs[i]); |
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param = pinconf_to_config_param(configs[i]); |
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Lines 969-974
static int amd_gpio_probe(struct platform_device *pdev)
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struct resource *res; |
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struct resource *res; |
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struct amd_gpio *gpio_dev; |
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struct amd_gpio *gpio_dev; |
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struct gpio_irq_chip *girq; |
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struct gpio_irq_chip *girq; |
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const struct dmi_system_id *dmi_id; |
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gpio_dev = devm_kzalloc(&pdev->dev, |
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gpio_dev = devm_kzalloc(&pdev->dev, |
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sizeof(struct amd_gpio), GFP_KERNEL); |
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sizeof(struct amd_gpio), GFP_KERNEL); |
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Lines 1058-1063
static int amd_gpio_probe(struct platform_device *pdev)
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platform_set_drvdata(pdev, gpio_dev); |
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platform_set_drvdata(pdev, gpio_dev); |
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acpi_register_wakeup_handler(gpio_dev->irq, amd_gpio_check_wake, gpio_dev); |
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acpi_register_wakeup_handler(gpio_dev->irq, amd_gpio_check_wake, gpio_dev); |
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dmi_id = dmi_first_match(fwbug_list); |
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if (dmi_id) |
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gpio_dev->quirks = dmi_id->driver_data; |
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dev_dbg(&pdev->dev, "amd gpio driver loaded\n"); |
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dev_dbg(&pdev->dev, "amd gpio driver loaded\n"); |
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return ret; |
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return ret; |
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