1 files changed, 0 insertions, 33 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0687-Limit-max_req_size-under-arm64-or-any-other-platform.patch b/target/linux/bcm27xx/patches-4.19/950-0687-Limit-max_req_size-under-arm64-or-any-other-platform.patch
deleted file mode 100644
index 87b4e9b58a..0000000000
--- a/target/linux/bcm27xx/patches-4.19/950-0687-Limit-max_req_size-under-arm64-or-any-other-platform.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-From 7bfcb31431f06efc233e4cc4d7ab65e10a6522cd Mon Sep 17 00:00:00 2001
-From: Yaroslav Rosomakho <yaroslavros@gmail.com>
-Date: Fri, 23 Aug 2019 11:02:22 +0200
-Subject: [PATCH] Limit max_req_size under arm64 (or any other platform
- that uses swiotlb) to prevent potential buffer overflow due to bouncing.
-
-Signed-off-by: Yaroslav Rosomakho <yaroslavros@gmail.com>
----
- drivers/mmc/host/bcm2835-mmc.c | 6 +++++-
- 1 file changed, 5 insertions(+), 1 deletion(-)
-
---- a/drivers/mmc/host/bcm2835-mmc.c
-+++ b/drivers/mmc/host/bcm2835-mmc.c
-@@ -38,6 +38,7 @@
- #include <linux/dmaengine.h>
- #include <linux/dma-mapping.h>
- #include <linux/of_dma.h>
-+#include <linux/swiotlb.h>
- 
- #include "sdhci.h"
- 
-@@ -1374,7 +1375,10 @@ static int bcm2835_mmc_add_host(struct b
- 	}
- #endif
- 	mmc->max_segs = 128;
--	mmc->max_req_size = 524288;
-+	if (swiotlb_max_segment())
-+		mmc->max_req_size = (1 << IO_TLB_SHIFT) * IO_TLB_SEGSIZE;
-+	else
-+		mmc->max_req_size = 524288;
- 	mmc->max_seg_size = mmc->max_req_size;
- 	mmc->max_blk_size = 512;
- 	mmc->max_blk_count =  65535;