| Message ID | 20221019150410.3851944-3-arnd@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [01/17] ARM: at91: remove stale MAINTAINER file entries | expand |
On Wed, 19 Oct 2022 at 17:06, Arnd Bergmann <arnd@kernel.org> wrote: > > From: Arnd Bergmann <arnd@arndb.de> > > The cns3xxx platform is gone, so this driver is now orphaned. > > Cc: Krzysztof Halasa <khalasa@piap.pl> > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Kind regards Uffe > --- > drivers/mmc/host/Kconfig | 11 --- > drivers/mmc/host/Makefile | 1 - > drivers/mmc/host/sdhci-cns3xxx.c | 113 ------------------------------- > 3 files changed, 125 deletions(-) > delete mode 100644 drivers/mmc/host/sdhci-cns3xxx.c > > diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig > index f324daadaf70..1c5b1c48a230 100644 > --- a/drivers/mmc/host/Kconfig > +++ b/drivers/mmc/host/Kconfig > @@ -253,17 +253,6 @@ config MMC_SDHCI_CADENCE > > If unsure, say N. > > -config MMC_SDHCI_CNS3XXX > - tristate "SDHCI support on the Cavium Networks CNS3xxx SoC" > - depends on ARCH_CNS3XXX || COMPILE_TEST > - depends on MMC_SDHCI_PLTFM > - help > - This selects the SDHCI support for CNS3xxx System-on-Chip devices. > - > - If you have a controller with this interface, say Y or M here. > - > - If unsure, say N. > - > config MMC_SDHCI_ESDHC_MCF > tristate "SDHCI support for the Freescale eSDHC ColdFire controller" > depends on M5441x > diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile > index 4e4ceb32c4b4..7bea77c28b7e 100644 > --- a/drivers/mmc/host/Makefile > +++ b/drivers/mmc/host/Makefile > @@ -77,7 +77,6 @@ obj-$(CONFIG_MMC_REALTEK_USB) += rtsx_usb_sdmmc.o > > obj-$(CONFIG_MMC_SDHCI_PLTFM) += sdhci-pltfm.o > obj-$(CONFIG_MMC_SDHCI_CADENCE) += sdhci-cadence.o > -obj-$(CONFIG_MMC_SDHCI_CNS3XXX) += sdhci-cns3xxx.o > obj-$(CONFIG_MMC_SDHCI_ESDHC_MCF) += sdhci-esdhc-mcf.o > obj-$(CONFIG_MMC_SDHCI_ESDHC_IMX) += sdhci-esdhc-imx.o > obj-$(CONFIG_MMC_SDHCI_DOVE) += sdhci-dove.o > diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c > deleted file mode 100644 > index 2a29c7a4f308..000000000000 > --- a/drivers/mmc/host/sdhci-cns3xxx.c > +++ /dev/null > @@ -1,113 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-only > -/* > - * SDHCI support for CNS3xxx SoC > - * > - * Copyright 2008 Cavium Networks > - * Copyright 2010 MontaVista Software, LLC. > - * > - * Authors: Scott Shu > - * Anton Vorontsov <avorontsov@mvista.com> > - */ > - > -#include <linux/delay.h> > -#include <linux/device.h> > -#include <linux/mmc/host.h> > -#include <linux/module.h> > -#include "sdhci-pltfm.h" > - > -static unsigned int sdhci_cns3xxx_get_max_clk(struct sdhci_host *host) > -{ > - return 150000000; > -} > - > -static void sdhci_cns3xxx_set_clock(struct sdhci_host *host, unsigned int clock) > -{ > - struct device *dev = mmc_dev(host->mmc); > - int div = 1; > - u16 clk; > - unsigned long timeout; > - > - host->mmc->actual_clock = 0; > - > - sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); > - > - if (clock == 0) > - return; > - > - while (host->max_clk / div > clock) { > - /* > - * On CNS3xxx divider grows linearly up to 4, and then > - * exponentially up to 256. > - */ > - if (div < 4) > - div += 1; > - else if (div < 256) > - div *= 2; > - else > - break; > - } > - > - dev_dbg(dev, "desired SD clock: %d, actual: %d\n", > - clock, host->max_clk / div); > - > - /* Divide by 3 is special. */ > - if (div != 3) > - div >>= 1; > - > - clk = div << SDHCI_DIVIDER_SHIFT; > - clk |= SDHCI_CLOCK_INT_EN; > - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); > - > - timeout = 20; > - while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL)) > - & SDHCI_CLOCK_INT_STABLE)) { > - if (timeout == 0) { > - dev_warn(dev, "clock is unstable"); > - break; > - } > - timeout--; > - mdelay(1); > - } > - > - clk |= SDHCI_CLOCK_CARD_EN; > - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); > -} > - > -static const struct sdhci_ops sdhci_cns3xxx_ops = { > - .get_max_clock = sdhci_cns3xxx_get_max_clk, > - .set_clock = sdhci_cns3xxx_set_clock, > - .set_bus_width = sdhci_set_bus_width, > - .reset = sdhci_reset, > - .set_uhs_signaling = sdhci_set_uhs_signaling, > -}; > - > -static const struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { > - .ops = &sdhci_cns3xxx_ops, > - .quirks = SDHCI_QUIRK_BROKEN_DMA | > - SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | > - SDHCI_QUIRK_INVERTED_WRITE_PROTECT | > - SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | > - SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, > -}; > - > -static int sdhci_cns3xxx_probe(struct platform_device *pdev) > -{ > - return sdhci_pltfm_register(pdev, &sdhci_cns3xxx_pdata, 0); > -} > - > -static struct platform_driver sdhci_cns3xxx_driver = { > - .driver = { > - .name = "sdhci-cns3xxx", > - .probe_type = PROBE_PREFER_ASYNCHRONOUS, > - .pm = &sdhci_pltfm_pmops, > - }, > - .probe = sdhci_cns3xxx_probe, > - .remove = sdhci_pltfm_unregister, > -}; > - > -module_platform_driver(sdhci_cns3xxx_driver); > - > -MODULE_DESCRIPTION("SDHCI driver for CNS3xxx"); > -MODULE_AUTHOR("Scott Shu, " > - "Anton Vorontsov <avorontsov@mvista.com>"); > -MODULE_LICENSE("GPL v2"); > -- > 2.29.2 >
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index f324daadaf70..1c5b1c48a230 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -253,17 +253,6 @@ config MMC_SDHCI_CADENCE If unsure, say N. -config MMC_SDHCI_CNS3XXX - tristate "SDHCI support on the Cavium Networks CNS3xxx SoC" - depends on ARCH_CNS3XXX || COMPILE_TEST - depends on MMC_SDHCI_PLTFM - help - This selects the SDHCI support for CNS3xxx System-on-Chip devices. - - If you have a controller with this interface, say Y or M here. - - If unsure, say N. - config MMC_SDHCI_ESDHC_MCF tristate "SDHCI support for the Freescale eSDHC ColdFire controller" depends on M5441x diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 4e4ceb32c4b4..7bea77c28b7e 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -77,7 +77,6 @@ obj-$(CONFIG_MMC_REALTEK_USB) += rtsx_usb_sdmmc.o obj-$(CONFIG_MMC_SDHCI_PLTFM) += sdhci-pltfm.o obj-$(CONFIG_MMC_SDHCI_CADENCE) += sdhci-cadence.o -obj-$(CONFIG_MMC_SDHCI_CNS3XXX) += sdhci-cns3xxx.o obj-$(CONFIG_MMC_SDHCI_ESDHC_MCF) += sdhci-esdhc-mcf.o obj-$(CONFIG_MMC_SDHCI_ESDHC_IMX) += sdhci-esdhc-imx.o obj-$(CONFIG_MMC_SDHCI_DOVE) += sdhci-dove.o diff --git a/drivers/mmc/host/sdhci-cns3xxx.c b/drivers/mmc/host/sdhci-cns3xxx.c deleted file mode 100644 index 2a29c7a4f308..000000000000 --- a/drivers/mmc/host/sdhci-cns3xxx.c +++ /dev/null @@ -1,113 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * SDHCI support for CNS3xxx SoC - * - * Copyright 2008 Cavium Networks - * Copyright 2010 MontaVista Software, LLC. - * - * Authors: Scott Shu - * Anton Vorontsov <avorontsov@mvista.com> - */ - -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/mmc/host.h> -#include <linux/module.h> -#include "sdhci-pltfm.h" - -static unsigned int sdhci_cns3xxx_get_max_clk(struct sdhci_host *host) -{ - return 150000000; -} - -static void sdhci_cns3xxx_set_clock(struct sdhci_host *host, unsigned int clock) -{ - struct device *dev = mmc_dev(host->mmc); - int div = 1; - u16 clk; - unsigned long timeout; - - host->mmc->actual_clock = 0; - - sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); - - if (clock == 0) - return; - - while (host->max_clk / div > clock) { - /* - * On CNS3xxx divider grows linearly up to 4, and then - * exponentially up to 256. - */ - if (div < 4) - div += 1; - else if (div < 256) - div *= 2; - else - break; - } - - dev_dbg(dev, "desired SD clock: %d, actual: %d\n", - clock, host->max_clk / div); - - /* Divide by 3 is special. */ - if (div != 3) - div >>= 1; - - clk = div << SDHCI_DIVIDER_SHIFT; - clk |= SDHCI_CLOCK_INT_EN; - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); - - timeout = 20; - while (!((clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL)) - & SDHCI_CLOCK_INT_STABLE)) { - if (timeout == 0) { - dev_warn(dev, "clock is unstable"); - break; - } - timeout--; - mdelay(1); - } - - clk |= SDHCI_CLOCK_CARD_EN; - sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); -} - -static const struct sdhci_ops sdhci_cns3xxx_ops = { - .get_max_clock = sdhci_cns3xxx_get_max_clk, - .set_clock = sdhci_cns3xxx_set_clock, - .set_bus_width = sdhci_set_bus_width, - .reset = sdhci_reset, - .set_uhs_signaling = sdhci_set_uhs_signaling, -}; - -static const struct sdhci_pltfm_data sdhci_cns3xxx_pdata = { - .ops = &sdhci_cns3xxx_ops, - .quirks = SDHCI_QUIRK_BROKEN_DMA | - SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | - SDHCI_QUIRK_INVERTED_WRITE_PROTECT | - SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | - SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, -}; - -static int sdhci_cns3xxx_probe(struct platform_device *pdev) -{ - return sdhci_pltfm_register(pdev, &sdhci_cns3xxx_pdata, 0); -} - -static struct platform_driver sdhci_cns3xxx_driver = { - .driver = { - .name = "sdhci-cns3xxx", - .probe_type = PROBE_PREFER_ASYNCHRONOUS, - .pm = &sdhci_pltfm_pmops, - }, - .probe = sdhci_cns3xxx_probe, - .remove = sdhci_pltfm_unregister, -}; - -module_platform_driver(sdhci_cns3xxx_driver); - -MODULE_DESCRIPTION("SDHCI driver for CNS3xxx"); -MODULE_AUTHOR("Scott Shu, " - "Anton Vorontsov <avorontsov@mvista.com>"); -MODULE_LICENSE("GPL v2");