diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-20 15:28:57 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-20 15:28:57 -0800 |
commit | ff0c7e18629b8bd64681313a88ce55e182c9fee6 (patch) | |
tree | 70efa650f6458514e1d7e5e3f72cc8f87fc5cf2c /drivers/mmc/host/sdhci-cns3xxx.c | |
parent | 5b0ed5964928b0aaf0d644c17c886c7f5ea4bb3f (diff) | |
parent | a1f925bc4fa899b3c0f2dcbc432d572c36e74e71 (diff) |
Merge tag 'arm-boardfile-remove-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC boardfile updates from Arnd Bergmann
"Unused boardfile removal for 6.3
This is a follow-up to the deprecation of most of the old-style board
files that was merged in linux-6.0, removing them for good.
This branch is almost exclusively dead code removal based on those
annotations. Some device driver removals went through separate
subsystem trees, but the majority is in the same branch, in order to
better handle dependencies between the patches and avoid breaking
bisection.
Unfortunately that leads to merge conflicts against other changes in
the subsystem trees, but they should all be trivial to resolve by
removing the files.
See commit 7d0d3fa7339e ("Merge tag 'arm-boardfiles-6.0' of
git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc") for the
description of which machines were marked unused and are now removed.
The only removals that got postponed are Terastation WXL (mv78xx0) and
Jornada720 (StrongARM1100), which turned out to still have potential
users"
* tag 'arm-boardfile-remove-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (91 commits)
mmc: omap: drop TPS65010 dependency
ARM: pxa: restore mfp-pxa320.h
usb: ohci-omap: avoid unused-variable warning
ARM: debug: remove references in DEBUG_UART_8250_SHIFT to removed configs
ARM: s3c: remove obsolete s3c-cpu-freq header
MAINTAINERS: adjust SAMSUNG SOC CLOCK DRIVERS after s3c24xx support removal
MAINTAINERS: update file entries after arm multi-platform rework and mach-pxa removal
ARM: remove CONFIG_UNUSED_BOARD_FILES
mfd: remove htc-pasic3 driver
w1: remove ds1wm driver
usb: remove ohci-tmio driver
fbdev: remove w100fb driver
fbdev: remove tmiofb driver
mmc: remove tmio_mmc driver
mfd: remove ucb1400 support
mfd: remove toshiba tmio drivers
rtc: remove v3020 driver
power: remove pda_power supply driver
ASoC: pxa: remove unused board support
pcmcia: remove unused pxa/sa1100 drivers
...
Diffstat (limited to 'drivers/mmc/host/sdhci-cns3xxx.c')
-rw-r--r-- | drivers/mmc/host/sdhci-cns3xxx.c | 113 |
1 files changed, 0 insertions, 113 deletions
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"); |