- trimmed cc-list, + Dmitry On Thu, 17 Nov 2022 at 05:15, Balamanikandan Gunasundar <balamanikandan.gunasundar@xxxxxxxxxxxxx> wrote: > > Replace the legacy GPIO APIs with gpio descriptor consumer interface. > > To maintain backward compatibility, we rely on the "cd-inverted" > property to manage the invertion flag instead of GPIO property. > > Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@xxxxxxxxxxxxx> Looks like you didn't make the conversion from devm_gpiod_get_from_of_node() into devm_fwnode_gpiod_get(), that Dmitry suggested [1]. Please re-spin and add Dmitry to the cc-list next time, to allow him to complete the review. Kind regards Uffe [1] https://lore.kernel.org/all/Y21+L01BcPQ35FYi@xxxxxxxxxx/ > --- > drivers/mmc/host/atmel-mci.c | 80 ++++++++++++++++++------------------ > include/linux/atmel-mci.h | 4 +- > 2 files changed, 41 insertions(+), 43 deletions(-) > > diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c > index 67b2cd166e56..f6194aab17df 100644 > --- a/drivers/mmc/host/atmel-mci.c > +++ b/drivers/mmc/host/atmel-mci.c > @@ -11,7 +11,6 @@ > #include <linux/dmaengine.h> > #include <linux/dma-mapping.h> > #include <linux/err.h> > -#include <linux/gpio.h> > #include <linux/init.h> > #include <linux/interrupt.h> > #include <linux/io.h> > @@ -19,7 +18,8 @@ > #include <linux/module.h> > #include <linux/of.h> > #include <linux/of_device.h> > -#include <linux/of_gpio.h> > +#include <linux/irq.h> > +#include <linux/gpio/consumer.h> > #include <linux/platform_device.h> > #include <linux/scatterlist.h> > #include <linux/seq_file.h> > @@ -389,8 +389,8 @@ struct atmel_mci_slot { > #define ATMCI_CARD_NEED_INIT 1 > #define ATMCI_SHUTDOWN 2 > > - int detect_pin; > - int wp_pin; > + struct gpio_desc *detect_pin; > + struct gpio_desc *wp_pin; > bool detect_is_active_high; > > struct timer_list detect_timer; > @@ -638,7 +638,11 @@ atmci_of_init(struct platform_device *pdev) > pdata->slot[slot_id].bus_width = 1; > > pdata->slot[slot_id].detect_pin = > - of_get_named_gpio(cnp, "cd-gpios", 0); > + devm_gpiod_get_from_of_node(&pdev->dev, cnp, > + "cd-gpios", > + 0, GPIOD_IN, "cd-gpios"); > + if (IS_ERR(pdata->slot[slot_id].detect_pin)) > + pdata->slot[slot_id].detect_pin = NULL; > > pdata->slot[slot_id].detect_is_active_high = > of_property_read_bool(cnp, "cd-inverted"); > @@ -647,7 +651,11 @@ atmci_of_init(struct platform_device *pdev) > of_property_read_bool(cnp, "non-removable"); > > pdata->slot[slot_id].wp_pin = > - of_get_named_gpio(cnp, "wp-gpios", 0); > + devm_gpiod_get_from_of_node(&pdev->dev, cnp, > + "wp-gpios", > + 0, GPIOD_IN, "wp-gpios"); > + if (IS_ERR(pdata->slot[slot_id].wp_pin)) > + pdata->slot[slot_id].wp_pin = NULL; > } > > return pdata; > @@ -1511,8 +1519,8 @@ static int atmci_get_ro(struct mmc_host *mmc) > int read_only = -ENOSYS; > struct atmel_mci_slot *slot = mmc_priv(mmc); > > - if (gpio_is_valid(slot->wp_pin)) { > - read_only = gpio_get_value(slot->wp_pin); > + if (slot->wp_pin) { > + read_only = gpiod_get_value(slot->wp_pin); > dev_dbg(&mmc->class_dev, "card is %s\n", > read_only ? "read-only" : "read-write"); > } > @@ -1525,8 +1533,8 @@ static int atmci_get_cd(struct mmc_host *mmc) > int present = -ENOSYS; > struct atmel_mci_slot *slot = mmc_priv(mmc); > > - if (gpio_is_valid(slot->detect_pin)) { > - present = !(gpio_get_value(slot->detect_pin) ^ > + if (slot->detect_pin) { > + present = !(gpiod_get_raw_value(slot->detect_pin) ^ > slot->detect_is_active_high); > dev_dbg(&mmc->class_dev, "card is %spresent\n", > present ? "" : "not "); > @@ -1639,8 +1647,8 @@ static void atmci_detect_change(struct timer_list *t) > if (test_bit(ATMCI_SHUTDOWN, &slot->flags)) > return; > > - enable_irq(gpio_to_irq(slot->detect_pin)); > - present = !(gpio_get_value(slot->detect_pin) ^ > + enable_irq(gpiod_to_irq(slot->detect_pin)); > + present = !(gpiod_get_raw_value(slot->detect_pin) ^ > slot->detect_is_active_high); > present_old = test_bit(ATMCI_CARD_PRESENT, &slot->flags); > > @@ -2241,9 +2249,9 @@ static int atmci_init_slot(struct atmel_mci *host, > dev_dbg(&mmc->class_dev, > "slot[%u]: bus_width=%u, detect_pin=%d, " > "detect_is_active_high=%s, wp_pin=%d\n", > - id, slot_data->bus_width, slot_data->detect_pin, > + id, slot_data->bus_width, desc_to_gpio(slot_data->detect_pin), > slot_data->detect_is_active_high ? "true" : "false", > - slot_data->wp_pin); > + desc_to_gpio(slot_data->wp_pin)); > > mmc->ops = &atmci_ops; > mmc->f_min = DIV_ROUND_UP(host->bus_hz, 512); > @@ -2279,51 +2287,43 @@ static int atmci_init_slot(struct atmel_mci *host, > > /* Assume card is present initially */ > set_bit(ATMCI_CARD_PRESENT, &slot->flags); > - if (gpio_is_valid(slot->detect_pin)) { > - if (devm_gpio_request(&host->pdev->dev, slot->detect_pin, > - "mmc_detect")) { > - dev_dbg(&mmc->class_dev, "no detect pin available\n"); > - slot->detect_pin = -EBUSY; > - } else if (gpio_get_value(slot->detect_pin) ^ > - slot->detect_is_active_high) { > + if (slot->detect_pin) { > + if (gpiod_get_raw_value(slot->detect_pin) ^ > + slot->detect_is_active_high) { > clear_bit(ATMCI_CARD_PRESENT, &slot->flags); > } > + } else { > + dev_dbg(&mmc->class_dev, "no detect pin available\n"); > } > > - if (!gpio_is_valid(slot->detect_pin)) { > + if (!slot->detect_pin) { > if (slot_data->non_removable) > mmc->caps |= MMC_CAP_NONREMOVABLE; > else > mmc->caps |= MMC_CAP_NEEDS_POLL; > } > > - if (gpio_is_valid(slot->wp_pin)) { > - if (devm_gpio_request(&host->pdev->dev, slot->wp_pin, > - "mmc_wp")) { > - dev_dbg(&mmc->class_dev, "no WP pin available\n"); > - slot->wp_pin = -EBUSY; > - } > - } > + if (!slot->wp_pin) > + dev_dbg(&mmc->class_dev, "no WP pin available\n"); > > host->slot[id] = slot; > mmc_regulator_get_supply(mmc); > - mmc_pwrseq_alloc(slot->mmc); > mmc_add_host(mmc); > > - if (gpio_is_valid(slot->detect_pin)) { > + if (slot->detect_pin) { > int ret; > > timer_setup(&slot->detect_timer, atmci_detect_change, 0); > > - ret = request_irq(gpio_to_irq(slot->detect_pin), > - atmci_detect_interrupt, > - IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, > - "mmc-detect", slot); > + ret = request_irq(gpiod_to_irq(slot->detect_pin), > + atmci_detect_interrupt, > + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, > + "mmc-detect", slot); > if (ret) { > dev_dbg(&mmc->class_dev, > "could not request IRQ %d for detect pin\n", > - gpio_to_irq(slot->detect_pin)); > - slot->detect_pin = -EBUSY; > + gpiod_to_irq(slot->detect_pin)); > + slot->detect_pin = NULL; > } > } > > @@ -2342,10 +2342,8 @@ static void atmci_cleanup_slot(struct atmel_mci_slot *slot, > > mmc_remove_host(slot->mmc); > > - if (gpio_is_valid(slot->detect_pin)) { > - int pin = slot->detect_pin; > - > - free_irq(gpio_to_irq(pin), slot); > + if (slot->detect_pin) { > + free_irq(gpiod_to_irq(slot->detect_pin), slot); > del_timer_sync(&slot->detect_timer); > } > > diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h > index 1491af38cc6e..017e7d8f6126 100644 > --- a/include/linux/atmel-mci.h > +++ b/include/linux/atmel-mci.h > @@ -26,8 +26,8 @@ > */ > struct mci_slot_pdata { > unsigned int bus_width; > - int detect_pin; > - int wp_pin; > + struct gpio_desc *detect_pin; > + struct gpio_desc *wp_pin; > bool detect_is_active_high; > bool non_removable; > }; > -- > 2.25.1 >
