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authorKarel Kočí <cynerd@email.cz>2022-09-27 17:09:49 +0200
committerKarel Kočí <cynerd@email.cz>2022-09-27 17:09:49 +0200
commit213042bba186b995bc2f25c8c2d06a9652177fa3 (patch)
treef8a12ada9ea2a95e400802e4a6451be7f1178ef7 /nixos/modules/kernel-patches/0051-Issue-map-read-after-Write-Buffer-Load-command-to-en.patch
parentff1073d03d303d3b15e66d03dc4a5a479a387fa7 (diff)
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Import Turris OS kernel patches
Diffstat (limited to 'nixos/modules/kernel-patches/0051-Issue-map-read-after-Write-Buffer-Load-command-to-en.patch')
-rw-r--r--nixos/modules/kernel-patches/0051-Issue-map-read-after-Write-Buffer-Load-command-to-en.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/nixos/modules/kernel-patches/0051-Issue-map-read-after-Write-Buffer-Load-command-to-en.patch b/nixos/modules/kernel-patches/0051-Issue-map-read-after-Write-Buffer-Load-command-to-en.patch
new file mode 100644
index 0000000..c0faf03
--- /dev/null
+++ b/nixos/modules/kernel-patches/0051-Issue-map-read-after-Write-Buffer-Load-command-to-en.patch
@@ -0,0 +1,26 @@
+From 4575feb6cb9d44a15acdb66dba1d0e7f2b6f2c9e Mon Sep 17 00:00:00 2001
+From: George Kashperko <george@znau.edu.ua>
+Date: Tue, 27 Sep 2022 16:21:39 +0200
+Subject: [PATCH 51/96] Issue map read after Write Buffer Load command to
+ ensure chip is ready to receive data.
+
+Signed-off-by: George Kashperko <george@znau.edu.ua>
+---
+ drivers/mtd/chips/cfi_cmdset_0002.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
+index a6692d72f24b..13694138a8b8 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -2052,6 +2052,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
+
+ /* Write Buffer Load */
+ map_write(map, CMD(0x25), cmd_adr);
++ (void) map_read(map, cmd_adr);
+
+ chip->state = FL_WRITING_TO_BUFFER;
+
+--
+2.37.2
+