From bcf4a5f474d1899af65f0974914f737bf9a8d9dd Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 22 Feb 2018 10:09:30 +0100 Subject: ramips: remove chunked-io patch and set spi->max_transfer_size instead Signed-off-by: Felix Fietkau --- ...-allow-NOR-driver-to-write-fewer-bytes-th.patch | 36 ++++++++++++++++++++++ ...465-m25p80-mx-disable-software-protection.patch | 2 +- ...spi-nor-fix-Spansion-regressions-aliased-.patch | 4 +-- ...-support-limiting-4K-sectors-support-base.patch | 2 +- 4 files changed, 40 insertions(+), 4 deletions(-) create mode 100644 target/linux/generic/pending-4.14/450-mtd-spi-nor-allow-NOR-driver-to-write-fewer-bytes-th.patch (limited to 'target/linux/generic') diff --git a/target/linux/generic/pending-4.14/450-mtd-spi-nor-allow-NOR-driver-to-write-fewer-bytes-th.patch b/target/linux/generic/pending-4.14/450-mtd-spi-nor-allow-NOR-driver-to-write-fewer-bytes-th.patch new file mode 100644 index 0000000000..50ed2be3d7 --- /dev/null +++ b/target/linux/generic/pending-4.14/450-mtd-spi-nor-allow-NOR-driver-to-write-fewer-bytes-th.patch @@ -0,0 +1,36 @@ +From: Felix Fietkau +Date: Thu, 22 Feb 2018 11:11:57 +0100 +Subject: [PATCH] mtd: spi-nor: allow NOR driver to write fewer bytes than + requested + +The write size can be constrained by the maximum message/transfer size +of the SPI controller. Only check for ret = 0 to avoid an infinite loop. + +Signed-off-by: Felix Fietkau +--- + +--- a/drivers/mtd/spi-nor/spi-nor.c ++++ b/drivers/mtd/spi-nor/spi-nor.c +@@ -1371,7 +1371,7 @@ static int spi_nor_write(struct mtd_info + + write_enable(nor); + ret = nor->write(nor, addr, page_remain, buf + i); +- if (ret < 0) ++ if (ret <= 0) + goto write_err; + written = ret; + +@@ -1380,13 +1380,6 @@ static int spi_nor_write(struct mtd_info + goto write_err; + *retlen += written; + i += written; +- if (written != page_remain) { +- dev_err(nor->dev, +- "While writing %zu bytes written %zd bytes\n", +- page_remain, written); +- ret = -EIO; +- goto write_err; +- } + } + + write_err: diff --git a/target/linux/generic/pending-4.14/465-m25p80-mx-disable-software-protection.patch b/target/linux/generic/pending-4.14/465-m25p80-mx-disable-software-protection.patch index 89d38ec303..dc71e9d542 100644 --- a/target/linux/generic/pending-4.14/465-m25p80-mx-disable-software-protection.patch +++ b/target/linux/generic/pending-4.14/465-m25p80-mx-disable-software-protection.patch @@ -8,7 +8,7 @@ Signed-off-by: Felix Fietkau --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c -@@ -2715,6 +2715,7 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -2708,6 +2708,7 @@ int spi_nor_scan(struct spi_nor *nor, co if (JEDEC_MFR(info) == SNOR_MFR_ATMEL || JEDEC_MFR(info) == SNOR_MFR_INTEL || diff --git a/target/linux/generic/pending-4.14/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch b/target/linux/generic/pending-4.14/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch index b7877297ae..fc5cf62324 100644 --- a/target/linux/generic/pending-4.14/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch +++ b/target/linux/generic/pending-4.14/466-Revert-mtd-spi-nor-fix-Spansion-regressions-aliased-.patch @@ -17,7 +17,7 @@ Signed-off-by: Matthias Schiffer --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c -@@ -2717,6 +2717,7 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -2710,6 +2710,7 @@ int spi_nor_scan(struct spi_nor *nor, co JEDEC_MFR(info) == SNOR_MFR_INTEL || JEDEC_MFR(info) == SNOR_MFR_MACRONIX || JEDEC_MFR(info) == SNOR_MFR_SST || @@ -25,7 +25,7 @@ Signed-off-by: Matthias Schiffer info->flags & SPI_NOR_HAS_LOCK) { write_enable(nor); write_sr(nor, 0); -@@ -2735,7 +2736,8 @@ int spi_nor_scan(struct spi_nor *nor, co +@@ -2728,7 +2729,8 @@ int spi_nor_scan(struct spi_nor *nor, co /* NOR protection support for STmicro/Micron chips and similar */ if (JEDEC_MFR(info) == SNOR_MFR_MICRON || diff --git a/target/linux/generic/pending-4.14/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch b/target/linux/generic/pending-4.14/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch index 10db289cc9..88775041ce 100644 --- a/target/linux/generic/pending-4.14/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch +++ b/target/linux/generic/pending-4.14/470-mtd-spi-nor-support-limiting-4K-sectors-support-base.patch @@ -39,7 +39,7 @@ Signed-off-by: Felix Fietkau depends on ARCH_AT91 || (ARM && COMPILE_TEST) --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c -@@ -2562,10 +2562,12 @@ static int spi_nor_select_erase(struct s +@@ -2555,10 +2555,12 @@ static int spi_nor_select_erase(struct s #ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS /* prefer "small sector" erase if possible */ -- cgit v1.2.3