patches: convert gpio: change member .dev to .parent

add semantic patch which uses the dev member of struct gpio_chip on
kenrel version < 4.5 This change was done in upstream kernel commit
58383c78 "gpio: change member .dev to .parent".

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/patches/collateral-evolutions/generic/0002-gpio-parent.cocci b/patches/collateral-evolutions/generic/0002-gpio-parent.cocci
new file mode 100644 (file)
index 0000000..b266fac
--- /dev/null
+++ b/patches/collateral-evolutions/generic/0002-gpio-parent.cocci
@@ -0,0 +1,25 @@
+/* convert gpio: change member .dev to .parent
+ *
+ * add semantic patch which uses the dev member of struct gpio_chip on
+ * kenrel version < 4.5 This change was done in upstream kernel commit
+ * 58383c78 "gpio: change member .dev to .parent".
+ */
+
+@r1@
+struct gpio_chip *chip;
+expression E1;
+@@
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0)
+ chip->parent = E1;
++#else
++chip->dev = E1;
++#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0) */
+@r2@
+struct gpio_chip chip;
+expression E2;
+@@
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0)
+ chip.parent = E2;
++#else
++chip.dev = E2;
++#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4,5,0) */