diff options
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/cardreader/rts5227.c | 2 | ||||
-rw-r--r-- | drivers/misc/cardreader/rts5228.c | 18 | ||||
-rw-r--r-- | drivers/misc/cardreader/rts5249.c | 3 | ||||
-rw-r--r-- | drivers/misc/cardreader/rts5260.c | 18 | ||||
-rw-r--r-- | drivers/misc/cardreader/rts5261.c | 18 | ||||
-rw-r--r-- | drivers/misc/cardreader/rtsx_pcr.c | 5 | ||||
-rw-r--r-- | drivers/misc/ibmasm/ibmasmfs.c | 2 | ||||
-rw-r--r-- | drivers/misc/ibmvmc.c | 2 | ||||
-rw-r--r-- | drivers/misc/lkdtm/bugs.c | 51 | ||||
-rw-r--r-- | drivers/misc/tps6594-esm.c | 19 |
10 files changed, 72 insertions, 66 deletions
diff --git a/drivers/misc/cardreader/rts5227.c b/drivers/misc/cardreader/rts5227.c index d676cf63a966..3dae5e3a1697 100644 --- a/drivers/misc/cardreader/rts5227.c +++ b/drivers/misc/cardreader/rts5227.c @@ -195,7 +195,7 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr) } } - if (option->force_clkreq_0) + if (option->force_clkreq_0 && pcr->aspm_mode == ASPM_MODE_CFG) rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); else diff --git a/drivers/misc/cardreader/rts5228.c b/drivers/misc/cardreader/rts5228.c index cfebad51d1d8..f4ab09439da7 100644 --- a/drivers/misc/cardreader/rts5228.c +++ b/drivers/misc/cardreader/rts5228.c @@ -435,17 +435,10 @@ static void rts5228_init_from_cfg(struct rtsx_pcr *pcr) option->ltr_enabled = false; } } - - if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN - | PM_L1_1_EN | PM_L1_2_EN)) - option->force_clkreq_0 = false; - else - option->force_clkreq_0 = true; } static int rts5228_extra_init_hw(struct rtsx_pcr *pcr) { - struct rtsx_cr_option *option = &pcr->option; rtsx_pci_write_register(pcr, RTS5228_AUTOLOAD_CFG1, CD_RESUME_EN_MASK, CD_RESUME_EN_MASK); @@ -476,17 +469,6 @@ static int rts5228_extra_init_hw(struct rtsx_pcr *pcr) else rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x00); - /* - * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced - * to drive low, and we forcibly request clock. - */ - if (option->force_clkreq_0) - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); - else - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); - rtsx_pci_write_register(pcr, PWD_SUSPEND_EN, 0xFF, 0xFB); if (pcr->rtd3_en) { diff --git a/drivers/misc/cardreader/rts5249.c b/drivers/misc/cardreader/rts5249.c index 91d240dd68fa..47ab72a43256 100644 --- a/drivers/misc/cardreader/rts5249.c +++ b/drivers/misc/cardreader/rts5249.c @@ -327,12 +327,11 @@ static int rts5249_extra_init_hw(struct rtsx_pcr *pcr) } } - /* * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced * to drive low, and we forcibly request clock. */ - if (option->force_clkreq_0) + if (option->force_clkreq_0 && pcr->aspm_mode == ASPM_MODE_CFG) rtsx_pci_write_register(pcr, PETXCFG, FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); else diff --git a/drivers/misc/cardreader/rts5260.c b/drivers/misc/cardreader/rts5260.c index 9b42b20a3e5a..79b18f6f73a8 100644 --- a/drivers/misc/cardreader/rts5260.c +++ b/drivers/misc/cardreader/rts5260.c @@ -517,17 +517,10 @@ static void rts5260_init_from_cfg(struct rtsx_pcr *pcr) option->ltr_enabled = false; } } - - if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN - | PM_L1_1_EN | PM_L1_2_EN)) - option->force_clkreq_0 = false; - else - option->force_clkreq_0 = true; } static int rts5260_extra_init_hw(struct rtsx_pcr *pcr) { - struct rtsx_cr_option *option = &pcr->option; /* Set mcu_cnt to 7 to ensure data can be sampled properly */ rtsx_pci_write_register(pcr, 0xFC03, 0x7F, 0x07); @@ -546,17 +539,6 @@ static int rts5260_extra_init_hw(struct rtsx_pcr *pcr) rts5260_init_hw(pcr); - /* - * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced - * to drive low, and we forcibly request clock. - */ - if (option->force_clkreq_0) - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); - else - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); - rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x00); return 0; diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c index b1e76030cafd..94af6bf8a25a 100644 --- a/drivers/misc/cardreader/rts5261.c +++ b/drivers/misc/cardreader/rts5261.c @@ -498,17 +498,10 @@ static void rts5261_init_from_cfg(struct rtsx_pcr *pcr) option->ltr_enabled = false; } } - - if (rtsx_check_dev_flag(pcr, ASPM_L1_1_EN | ASPM_L1_2_EN - | PM_L1_1_EN | PM_L1_2_EN)) - option->force_clkreq_0 = false; - else - option->force_clkreq_0 = true; } static int rts5261_extra_init_hw(struct rtsx_pcr *pcr) { - struct rtsx_cr_option *option = &pcr->option; u32 val; rtsx_pci_write_register(pcr, RTS5261_AUTOLOAD_CFG1, @@ -554,17 +547,6 @@ static int rts5261_extra_init_hw(struct rtsx_pcr *pcr) else rtsx_pci_write_register(pcr, PETXCFG, 0x30, 0x00); - /* - * If u_force_clkreq_0 is enabled, CLKREQ# PIN will be forced - * to drive low, and we forcibly request clock. - */ - if (option->force_clkreq_0) - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_LOW); - else - rtsx_pci_write_register(pcr, PETXCFG, - FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); - rtsx_pci_write_register(pcr, PWD_SUSPEND_EN, 0xFF, 0xFB); if (pcr->rtd3_en) { diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c index 32b7783e9d4f..a3f4b52bb159 100644 --- a/drivers/misc/cardreader/rtsx_pcr.c +++ b/drivers/misc/cardreader/rtsx_pcr.c @@ -1326,8 +1326,11 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr) return err; } - if (pcr->aspm_mode == ASPM_MODE_REG) + if (pcr->aspm_mode == ASPM_MODE_REG) { rtsx_pci_write_register(pcr, ASPM_FORCE_CTL, 0x30, 0x30); + rtsx_pci_write_register(pcr, PETXCFG, + FORCE_CLKREQ_DELINK_MASK, FORCE_CLKREQ_HIGH); + } /* No CD interrupt if probing driver with card inserted. * So we need to initialize pcr->card_exist here. diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index 35fec1bf1b3d..5867af9f592c 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -139,7 +139,7 @@ static struct inode *ibmasmfs_make_inode(struct super_block *sb, int mode) if (ret) { ret->i_ino = get_next_ino(); ret->i_mode = mode; - ret->i_atime = ret->i_mtime = ret->i_ctime = current_time(ret); + ret->i_atime = ret->i_mtime = inode_set_ctime_current(ret); } return ret; } diff --git a/drivers/misc/ibmvmc.c b/drivers/misc/ibmvmc.c index cbaf6d35e854..2101eb12bcba 100644 --- a/drivers/misc/ibmvmc.c +++ b/drivers/misc/ibmvmc.c @@ -1124,7 +1124,7 @@ static ssize_t ibmvmc_write(struct file *file, const char *buffer, goto out; inode = file_inode(file); - inode->i_mtime = current_time(inode); + inode->i_mtime = inode_set_ctime_current(inode); mark_inode_dirty(inode); dev_dbg(adapter->dev, "write: file = 0x%lx, count = 0x%lx\n", diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c index 3c95600ab2f7..c66cc05a68c4 100644 --- a/drivers/misc/lkdtm/bugs.c +++ b/drivers/misc/lkdtm/bugs.c @@ -273,8 +273,8 @@ static void lkdtm_HUNG_TASK(void) schedule(); } -volatile unsigned int huge = INT_MAX - 2; -volatile unsigned int ignored; +static volatile unsigned int huge = INT_MAX - 2; +static volatile unsigned int ignored; static void lkdtm_OVERFLOW_SIGNED(void) { @@ -305,7 +305,7 @@ static void lkdtm_OVERFLOW_UNSIGNED(void) ignored = value; } -/* Intentionally using old-style flex array definition of 1 byte. */ +/* Intentionally using unannotated flex array definition. */ struct array_bounds_flex_array { int one; int two; @@ -357,6 +357,46 @@ static void lkdtm_ARRAY_BOUNDS(void) pr_expected_config(CONFIG_UBSAN_BOUNDS); } +struct lkdtm_annotated { + unsigned long flags; + int count; + int array[] __counted_by(count); +}; + +static volatile int fam_count = 4; + +static void lkdtm_FAM_BOUNDS(void) +{ + struct lkdtm_annotated *inst; + + inst = kzalloc(struct_size(inst, array, fam_count + 1), GFP_KERNEL); + if (!inst) { + pr_err("FAIL: could not allocate test struct!\n"); + return; + } + + inst->count = fam_count; + pr_info("Array access within bounds ...\n"); + inst->array[1] = fam_count; + ignored = inst->array[1]; + + pr_info("Array access beyond bounds ...\n"); + inst->array[fam_count] = fam_count; + ignored = inst->array[fam_count]; + + kfree(inst); + + pr_err("FAIL: survived access of invalid flexible array member index!\n"); + + if (!__has_attribute(__counted_by__)) + pr_warn("This is expected since this %s was built a compiler supporting __counted_by\n", + lkdtm_kernel_info); + else if (IS_ENABLED(CONFIG_UBSAN_BOUNDS)) + pr_expected_config(CONFIG_UBSAN_TRAP); + else + pr_expected_config(CONFIG_UBSAN_BOUNDS); +} + static void lkdtm_CORRUPT_LIST_ADD(void) { /* @@ -393,7 +433,7 @@ static void lkdtm_CORRUPT_LIST_ADD(void) pr_err("Overwrite did not happen, but no BUG?!\n"); else { pr_err("list_add() corruption not detected!\n"); - pr_expected_config(CONFIG_DEBUG_LIST); + pr_expected_config(CONFIG_LIST_HARDENED); } } @@ -420,7 +460,7 @@ static void lkdtm_CORRUPT_LIST_DEL(void) pr_err("Overwrite did not happen, but no BUG?!\n"); else { pr_err("list_del() corruption not detected!\n"); - pr_expected_config(CONFIG_DEBUG_LIST); + pr_expected_config(CONFIG_LIST_HARDENED); } } @@ -616,6 +656,7 @@ static struct crashtype crashtypes[] = { CRASHTYPE(OVERFLOW_SIGNED), CRASHTYPE(OVERFLOW_UNSIGNED), CRASHTYPE(ARRAY_BOUNDS), + CRASHTYPE(FAM_BOUNDS), CRASHTYPE(CORRUPT_LIST_ADD), CRASHTYPE(CORRUPT_LIST_DEL), CRASHTYPE(STACK_GUARD_PAGE_LEADING), diff --git a/drivers/misc/tps6594-esm.c b/drivers/misc/tps6594-esm.c index b488f704f104..05e2c151e632 100644 --- a/drivers/misc/tps6594-esm.c +++ b/drivers/misc/tps6594-esm.c @@ -13,6 +13,8 @@ #include <linux/mfd/tps6594.h> +#define TPS6594_DEV_REV_1 0x08 + static irqreturn_t tps6594_esm_isr(int irq, void *dev_id) { struct platform_device *pdev = dev_id; @@ -32,11 +34,26 @@ static int tps6594_esm_probe(struct platform_device *pdev) { struct tps6594 *tps = dev_get_drvdata(pdev->dev.parent); struct device *dev = &pdev->dev; + unsigned int rev; int irq; int ret; int i; - for (i = 0 ; i < pdev->num_resources ; i++) { + /* + * Due to a bug in revision 1 of the PMIC, the GPIO3 used for the + * SoC ESM function is used to power the load switch instead. + * As a consequence, ESM can not be used on those PMIC. + * Check the version and return an error in case of revision 1. + */ + ret = regmap_read(tps->regmap, TPS6594_REG_DEV_REV, &rev); + if (ret) + return dev_err_probe(dev, ret, + "Failed to read PMIC revision\n"); + if (rev == TPS6594_DEV_REV_1) + return dev_err_probe(dev, -ENODEV, + "ESM not supported for revision 1 PMIC\n"); + + for (i = 0; i < pdev->num_resources; i++) { irq = platform_get_irq_byname(pdev, pdev->resource[i].name); if (irq < 0) return dev_err_probe(dev, irq, "Failed to get %s irq\n", |