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authorSebastian Reichel <sebastian.reichel@collabora.co.uk>2017-05-15 11:24:37 +0200
committerLinus Walleij <linus.walleij@linaro.org>2017-05-23 09:51:08 +0200
commitd8f4494e70ae5fef159719bfbb6abedc53619bf1 (patch)
tree9176e0f495c25d477badbbdacc961fff4de4b13d /drivers/pinctrl/pinctrl-mcp23s08.c
parentce9bd0a0ff106b478012dc2e4c2b10bb0138dd7a (diff)
downloadlinux-d8f4494e70ae5fef159719bfbb6abedc53619bf1.tar.bz2
pinctrl: mcp23s08: drop comment about missing irq support
The driver supports using mcp23xxx as interrupt controller, so let's drop all comments stating otherwise. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-mcp23s08.c')
-rw-r--r--drivers/pinctrl/pinctrl-mcp23s08.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c
index 29d9c1fd4309..3e40d4245512 100644
--- a/drivers/pinctrl/pinctrl-mcp23s08.c
+++ b/drivers/pinctrl/pinctrl-mcp23s08.c
@@ -1,14 +1,4 @@
-/*
- * MCP23S08 SPI/I2C GPIO gpio expander driver
- *
- * The inputs and outputs of the mcp23s08, mcp23s17, mcp23008 and mcp23017 are
- * supported.
- * For the I2C versions of the chips (mcp23008 and mcp23017) generation of
- * interrupts is also supported.
- * The hardware of the SPI versions of the chips (mcp23s08 and mcp23s17) is
- * also capable of generating interrupts, but the linux driver does not
- * support that yet.
- */
+/* MCP23S08 SPI/I2C GPIO driver */
#include <linux/kernel.h>
#include <linux/device.h>
@@ -27,7 +17,7 @@
#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinconf-generic.h>
-/**
+/*
* MCP types supported by driver
*/
#define MCP_TYPE_S08 0
@@ -1131,11 +1121,6 @@ static int mcp23s08_probe(struct spi_device *spi)
}
data->ngpio = ngpio;
- /* NOTE: these chips have a relatively sane IRQ framework, with
- * per-signal masking and level/edge triggering. It's not yet
- * handled here...
- */
-
return 0;
}