diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0327-bcm2835-sdhost-Allow-for-sg-entries-that-cross-pages.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0327-bcm2835-sdhost-Allow-for-sg-entries-that-cross-pages.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0327-bcm2835-sdhost-Allow-for-sg-entries-that-cross-pages.patch b/target/linux/bcm27xx/patches-4.19/950-0327-bcm2835-sdhost-Allow-for-sg-entries-that-cross-pages.patch deleted file mode 100644 index e16e12da3c..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0327-bcm2835-sdhost-Allow-for-sg-entries-that-cross-pages.patch +++ /dev/null @@ -1,32 +0,0 @@ -From 44db7882be675cdf2d89741af5bbeba41b3e25af Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Wed, 13 Mar 2019 14:19:11 +0000 -Subject: [PATCH] bcm2835-sdhost: Allow for sg entries that cross pages - -The dma_complete handling code calculates a virtual address for a page -then adds an offset, but if the offset is more than a page and HIGHMEM -is in use then the summed address could be in an unmapped (or just -incorrect) page. - -The upstream SDHOST driver allows for this possibility - copy the code -that does so. - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - drivers/mmc/host/bcm2835-sdhost.c | 5 +++++ - 1 file changed, 5 insertions(+) - ---- a/drivers/mmc/host/bcm2835-sdhost.c -+++ b/drivers/mmc/host/bcm2835-sdhost.c -@@ -543,6 +543,11 @@ static void bcm2835_sdhost_dma_complete( - void *page; - u32 *buf; - -+ if (host->drain_offset & PAGE_MASK) { -+ host->drain_page += host->drain_offset >> PAGE_SHIFT; -+ host->drain_offset &= ~PAGE_MASK; -+ } -+ - page = kmap_atomic(host->drain_page); - buf = page + host->drain_offset; - |