[linux] 01/03: spi-nor: Add support for n25q256a11 SPI flash device (Closes: #843650)

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commit 45680edb40236d9dc4a981602116432cd1a8647a
Author: Ben Hutchings <ben at decadent.org.uk>
Date:   Thu Dec 29 16:36:26 2016 +0000

    spi-nor: Add support for n25q256a11 SPI flash device (Closes: #843650)
    
    Thanks to Matt Sickler
---
 debian/changelog                                   |  2 ++
 ...d-support-for-n25q256a11-spi-flash-device.patch | 35 ++++++++++++++++++++++
 debian/patches/series                              |  1 +
 3 files changed, 38 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index 9f06e1f..5cf8c8a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -511,6 +511,8 @@ linux (3.16.39-1) UNRELEASED; urgency=medium
   * ALSA: pcm : Call kill_fasync() in stream lock (CVE-2016-9794)
   * security,perf: Allow unprivileged use of perf_event_open to be disabled
     (sysctl: kernel.perf_event_paranoid=3)
+  * spi-nor: Add support for n25q256a11 SPI flash device (Closes: #843650)
+    (thanks to Matt Sickler)
 
   [ Julien Cristau ]
   * hwrng: Add chaoskey driver, backported from 4.8 (Closes: #839616)
diff --git a/debian/patches/features/all/spi-nor-add-support-for-n25q256a11-spi-flash-device.patch b/debian/patches/features/all/spi-nor-add-support-for-n25q256a11-spi-flash-device.patch
new file mode 100644
index 0000000..7ee9ba7
--- /dev/null
+++ b/debian/patches/features/all/spi-nor-add-support-for-n25q256a11-spi-flash-device.patch
@@ -0,0 +1,35 @@
+From: Matt Sickler <matt.sickler at daktronics.com>
+Date: Tue, 08 Nov 2016 09:02:36 -0600
+Subject: spi-nor: Add support for n25q256a11 SPI flash device
+Forwarded: not-needed
+Bug-Debian: https://bugs.debian.org/843650
+
+We have a system that uses the n25q256a11 SPI flash device which is not
+marked as supported in the 3.16 kernel series.
+
+This patch is *not* for use in unstable, only Jessie.  A version between 3.16
+and 4.7 (stretch) revamped how the chip support is determined, added explicit
+support for this chip, and also added a way to add new chips at runtime
+without requiring a recompile - all things that make this patch pointless on
+unstable/testing.
+
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -281,6 +281,7 @@ static const struct spi_device_id m25p_i
+ 	{"mx25l12855e"},{"mx25l25635e"},{"mx25l25655e"},{"mx66l51235l"},
+ 	{"mx66l1g55g"},
+ 	{"n25q064"},	{"n25q128a11"},	{"n25q128a13"},	{"n25q256a"},
++	{"n25q256a11"},
+ 	{"n25q512a"},	{"n25q512ax3"},	{"n25q00"},
+ 	{"pm25lv512"},	{"pm25lv010"},	{"pm25lq032"},
+ 	{"s25sl032p"},	{"s25sl064p"},	{"s25fl256s0"},	{"s25fl256s1"},
+--- a/drivers/mtd/spi-nor/spi-nor.c
++++ b/drivers/mtd/spi-nor/spi-nor.c
+@@ -489,6 +489,7 @@ static const struct spi_device_id spi_no
+ 	{ "n25q128a11",  INFO(0x20bb18, 0, 64 * 1024,  256, 0) },
+ 	{ "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024,  256, 0) },
+ 	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K) },
++	{ "n25q256a11",  INFO(0x20bb19, 0, 64 * 1024,  512, SECT_4K) },
+ 	{ "n25q512a",    INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K) },
+ 
+ 	/* PMC */
diff --git a/debian/patches/series b/debian/patches/series
index 667a2ff..3f72b1d 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -292,6 +292,7 @@ features/all/power-reset-Add-generic-SYSCON-register-mapped-reset.patch
 features/all/power-reset-corrections-for-simple-syscon-reboot-dri.patch
 features/all/power-reset-adjust-priority-of-simple-syscon-reboot-.patch
 features/all/syscon-reboot-Backport-to-pre-register_restart_handl.patch
+features/all/spi-nor-add-support-for-n25q256a11-spi-flash-device.patch
 
 # Update r8723au to 3.17
 features/all/r8723au/0001-staging-rtl8723au-rtw_get_wps_ie23a-Remove-unused-de.patch

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