From cf9610f9116d55c5a66ef9f1faecacabd93a9322 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 24 Aug 2026 08:46:03 -0700 Subject: Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ... --- drivers/mtd/tests/readtest.c | 215 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 215 insertions(+) create mode 100644 drivers/mtd/tests/readtest.c (limited to 'drivers/mtd/tests/readtest.c') diff --git a/drivers/mtd/tests/readtest.c b/drivers/mtd/tests/readtest.c new file mode 100644 index 000000000..99670ef91 --- /dev/null +++ b/drivers/mtd/tests/readtest.c @@ -0,0 +1,215 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2006-2008 Nokia Corporation + * + * Check MTD device read. + * + * Author: Adrian Hunter + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include +#include +#include +#include +#include +#include +#include + +#include "mtd_test.h" + +static int dev = -EINVAL; +module_param(dev, int, S_IRUGO); +MODULE_PARM_DESC(dev, "MTD device number to use"); + +static struct mtd_info *mtd; +static unsigned char *iobuf; +static unsigned char *iobuf1; +static unsigned char *bbt; + +static int pgsize; +static int ebcnt; +static int pgcnt; + +static int read_eraseblock_by_page(int ebnum) +{ + int i, ret, err = 0; + loff_t addr = (loff_t)ebnum * mtd->erasesize; + void *buf = iobuf; + void *oobbuf = iobuf1; + + for (i = 0; i < pgcnt; i++) { + memset(buf, 0 , pgsize); + ret = mtdtest_read(mtd, addr, pgsize, buf); + if (ret) { + if (!err) + err = ret; + } + if (mtd->oobsize) { + struct mtd_oob_ops ops = { }; + + ops.mode = MTD_OPS_PLACE_OOB; + ops.len = 0; + ops.retlen = 0; + ops.ooblen = mtd->oobsize; + ops.oobretlen = 0; + ops.ooboffs = 0; + ops.datbuf = NULL; + ops.oobbuf = oobbuf; + ret = mtd_read_oob(mtd, addr, &ops); + if ((ret && !mtd_is_bitflip(ret)) || + ops.oobretlen != mtd->oobsize) { + pr_err("error: read oob failed at " + "%#llx\n", (long long)addr); + if (!err) + err = ret; + if (!err) + err = -EINVAL; + } + oobbuf += mtd->oobsize; + } + addr += pgsize; + buf += pgsize; + } + + return err; +} + +static void dump_eraseblock(int ebnum) +{ + int i, j, n; + char line[128]; + int pg, oob; + + pr_info("dumping eraseblock %d\n", ebnum); + n = mtd->erasesize; + for (i = 0; i < n;) { + char *p = line; + + p += sprintf(p, "%05x: ", i); + for (j = 0; j < 32 && i < n; j++, i++) + p += sprintf(p, "%02x", (unsigned int)iobuf[i]); + printk(KERN_CRIT "%s\n", line); + cond_resched(); + } + if (!mtd->oobsize) + return; + pr_info("dumping oob from eraseblock %d\n", ebnum); + n = mtd->oobsize; + for (pg = 0, i = 0; pg < pgcnt; pg++) + for (oob = 0; oob < n;) { + char *p = line; + + p += sprintf(p, "%05x: ", i); + for (j = 0; j < 32 && oob < n; j++, oob++, i++) + p += sprintf(p, "%02x", + (unsigned int)iobuf1[i]); + printk(KERN_CRIT "%s\n", line); + cond_resched(); + } +} + +static int __init mtd_readtest_init(void) +{ + uint64_t tmp; + int err, i; + + printk(KERN_INFO "\n"); + printk(KERN_INFO "=================================================\n"); + + if (dev < 0) { + pr_info("Please specify a valid mtd-device via module parameter\n"); + return -EINVAL; + } + + pr_info("MTD device: %d\n", dev); + + mtd = get_mtd_device(NULL, dev); + if (IS_ERR(mtd)) { + err = PTR_ERR(mtd); + pr_err("error: Cannot get MTD device\n"); + return err; + } + + if (mtd->writesize == 1) { + pr_info("not NAND flash, assume page size is 512 " + "bytes.\n"); + pgsize = 512; + } else + pgsize = mtd->writesize; + + tmp = mtd->size; + do_div(tmp, mtd->erasesize); + ebcnt = tmp; + pgcnt = mtd->erasesize / pgsize; + + pr_info("MTD device size %llu, eraseblock size %u, " + "page size %u, count of eraseblocks %u, pages per " + "eraseblock %u, OOB size %u\n", + (unsigned long long)mtd->size, mtd->erasesize, + pgsize, ebcnt, pgcnt, mtd->oobsize); + + err = -ENOMEM; + iobuf = kmalloc(mtd->erasesize, GFP_KERNEL); + if (!iobuf) + goto out; + iobuf1 = kmalloc(mtd->erasesize, GFP_KERNEL); + if (!iobuf1) + goto out; + + bbt = kzalloc(ebcnt, GFP_KERNEL); + if (!bbt) + goto out; + err = mtdtest_scan_for_bad_eraseblocks(mtd, bbt, 0, ebcnt); + if (err) + goto out; + + /* Read all eraseblocks 1 page at a time */ + pr_info("testing page read\n"); + for (i = 0; i < ebcnt; ++i) { + int ret; + + if (bbt[i]) + continue; + ret = read_eraseblock_by_page(i); + if (ret) { + dump_eraseblock(i); + if (!err) + err = ret; + } + + ret = mtdtest_relax(); + if (ret) { + err = ret; + goto out; + } + } + + if (err) + pr_info("finished with errors\n"); + else + pr_info("finished\n"); + +out: + + kfree(iobuf); + kfree(iobuf1); + kfree(bbt); + put_mtd_device(mtd); + if (err) + pr_info("error %d occurred\n", err); + printk(KERN_INFO "=================================================\n"); + return err; +} +module_init(mtd_readtest_init); + +static void __exit mtd_readtest_exit(void) +{ + return; +} +module_exit(mtd_readtest_exit); + +MODULE_DESCRIPTION("Read test module"); +MODULE_AUTHOR("Adrian Hunter"); +MODULE_LICENSE("GPL"); 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