Clang warns when one enumerated type is implicitly converted to another:
drivers/pinctrl/bcm/pinctrl-bcm2835.c:707:40: warning: implicit
conversion from enumeration type 'enum bcm2835_pinconf_param' to
different enumeration type 'enum pin_config_param' [-Wenum-conversion]
configs[0] = pinconf_to_config_packed(BCM2835_PINCONF_PARAM_PULL, pull);
~~~~~~~~~~~~~~~~~~~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
It is expected that pinctrl drivers can extend pin_config_param because
of the gap between PIN_CONFIG_END and PIN_CONFIG_MAX so this conversion
isn't an issue. Most drivers that take advantage of this define the
PIN_CONFIG variables as constants, rather than enumerated values. Do the
same thing here so that Clang no longer warns.
Signed-off-by: Nathan Chancellor <natechancel...@gmail.com>
---
drivers/pinctrl/bcm/pinctrl-bcm2835.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index fa530913a2c8..b035c3fc0471 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -72,10 +72,8 @@
#define GPIO_REG_OFFSET(p) ((p) / 32)
#define GPIO_REG_SHIFT(p) ((p) % 32)
-enum bcm2835_pinconf_param {
- /* argument: bcm2835_pinconf_pull */
- BCM2835_PINCONF_PARAM_PULL = (PIN_CONFIG_END + 1),
-};
+/* argument: bcm2835_pinconf_pull */
+#define BCM2835_PINCONF_PARAM_PULL (PIN_CONFIG_END + 1)
struct bcm2835_pinctrl {
struct device *dev;
--
2.19.1
