| Message ID | 1414147803-29202-1-git-send-email-timo.kokkonen@offcode.fi (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 24 October 2014 12:50, Timo Kokkonen <timo.kokkonen@offcode.fi> wrote: > Add support for non-removable slots which have no card detection GPIO > and which should not be polled for a card change. > > Signed-off-by: Timo Kokkonen <timo.kokkonen@offcode.fi> Hi Timo, Please resend and include Ludovic Desroches on the "to-line". Kind regards Uffe > --- > drivers/mmc/host/atmel-mci.c | 11 +++++++++-- > include/linux/atmel-mci.h | 2 ++ > 2 files changed, 11 insertions(+), 2 deletions(-) > > diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c > index 77250d4..4de1a31 100644 > --- a/drivers/mmc/host/atmel-mci.c > +++ b/drivers/mmc/host/atmel-mci.c > @@ -560,6 +560,9 @@ atmci_of_init(struct platform_device *pdev) > pdata->slot[slot_id].detect_is_active_high = > of_property_read_bool(cnp, "cd-inverted"); > > + pdata->slot[slot_id].non_removable = > + of_property_read_bool(cnp, "non-removable"); > + > pdata->slot[slot_id].wp_pin = > of_get_named_gpio(cnp, "wp-gpios", 0); > } > @@ -2206,8 +2209,12 @@ static int __init atmci_init_slot(struct atmel_mci *host, > } > } > > - if (!gpio_is_valid(slot->detect_pin)) > - mmc->caps |= MMC_CAP_NEEDS_POLL; > + if (!gpio_is_valid(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, > diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h > index 91b77f8..9177947 100644 > --- a/include/linux/atmel-mci.h > +++ b/include/linux/atmel-mci.h > @@ -11,6 +11,7 @@ > * @detect_pin: GPIO pin wired to the card detect switch > * @wp_pin: GPIO pin wired to the write protect sensor > * @detect_is_active_high: The state of the detect pin when it is active > + * @non_removable: The slot is not removable, only detect once > * > * If a given slot is not present on the board, @bus_width should be > * set to 0. The other fields are ignored in this case. > @@ -26,6 +27,7 @@ struct mci_slot_pdata { > int detect_pin; > int wp_pin; > bool detect_is_active_high; > + bool non_removable; > }; > > /** > -- > 1.9.1 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 77250d4..4de1a31 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -560,6 +560,9 @@ atmci_of_init(struct platform_device *pdev) pdata->slot[slot_id].detect_is_active_high = of_property_read_bool(cnp, "cd-inverted"); + pdata->slot[slot_id].non_removable = + of_property_read_bool(cnp, "non-removable"); + pdata->slot[slot_id].wp_pin = of_get_named_gpio(cnp, "wp-gpios", 0); } @@ -2206,8 +2209,12 @@ static int __init atmci_init_slot(struct atmel_mci *host, } } - if (!gpio_is_valid(slot->detect_pin)) - mmc->caps |= MMC_CAP_NEEDS_POLL; + if (!gpio_is_valid(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, diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h index 91b77f8..9177947 100644 --- a/include/linux/atmel-mci.h +++ b/include/linux/atmel-mci.h @@ -11,6 +11,7 @@ * @detect_pin: GPIO pin wired to the card detect switch * @wp_pin: GPIO pin wired to the write protect sensor * @detect_is_active_high: The state of the detect pin when it is active + * @non_removable: The slot is not removable, only detect once * * If a given slot is not present on the board, @bus_width should be * set to 0. The other fields are ignored in this case. @@ -26,6 +27,7 @@ struct mci_slot_pdata { int detect_pin; int wp_pin; bool detect_is_active_high; + bool non_removable; }; /**
Add support for non-removable slots which have no card detection GPIO and which should not be polled for a card change. Signed-off-by: Timo Kokkonen <timo.kokkonen@offcode.fi> --- drivers/mmc/host/atmel-mci.c | 11 +++++++++-- include/linux/atmel-mci.h | 2 ++ 2 files changed, 11 insertions(+), 2 deletions(-)