diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/1112-driver-spi-fsl-quad-Hang-memcpy-Unhandled-fault-alig.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/1112-driver-spi-fsl-quad-Hang-memcpy-Unhandled-fault-alig.patch | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/target/linux/layerscape/patches-4.4/1112-driver-spi-fsl-quad-Hang-memcpy-Unhandled-fault-alig.patch b/target/linux/layerscape/patches-4.4/1112-driver-spi-fsl-quad-Hang-memcpy-Unhandled-fault-alig.patch deleted file mode 100644 index c6311fc4bb..0000000000 --- a/target/linux/layerscape/patches-4.4/1112-driver-spi-fsl-quad-Hang-memcpy-Unhandled-fault-alig.patch +++ /dev/null @@ -1,29 +0,0 @@ -From f1b7824a42505669476f203e126fc26dd1006af2 Mon Sep 17 00:00:00 2001 -From: Yutang Jiang <yutang.jiang@nxp.com> -Date: Fri, 9 Sep 2016 22:57:55 +0800 -Subject: [PATCH 112/113] driver: spi: fsl-quad: Hang memcpy: Unhandled fault: - alignment fault - -vmap/iomap based on whether the buffer is in memory region or reserved region. -However, both map it as non-cacheable memory. -For armv8 specifically, non-cacheable mapping requests use a memory type -that has to be accessed aligned to the request size. memcpy() doesn't guarantee -that. memcpy_toio() can guarantee 4-bytes alignment. - -Signed-off-by: Yunhui Cui <yunhui.cui@nxp.com> -Integrated-by: Yutang Jiang <yutang.jiang@nxp.com> ---- - drivers/mtd/spi-nor/fsl-quadspi.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/mtd/spi-nor/fsl-quadspi.c -+++ b/drivers/mtd/spi-nor/fsl-quadspi.c -@@ -1103,7 +1103,7 @@ static ssize_t fsl_qspi_read(struct spi_ - len); - - /* Read out the data directly from the AHB buffer.*/ -- memcpy(buf, q->ahb_addr + q->chip_base_addr + from - q->memmap_offs, -+ memcpy_toio(buf, q->ahb_addr + q->chip_base_addr + from - q->memmap_offs, - len); - - return len; |