arm64: a37xx: pinctrl: Improve description for pinmux command

In more cases group name consist of function name followed by function
number. So if function name is just prefix of group name, show group name.

So in 'pinmux status -a' command output would be visible also extended
function number, which is useful for debugging.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 32b49f167c6693966887f4e1a8f39f8da5ed6364..25fbe39abd193eb0be65ad19c9ef88ebc3bf6ab5 100644 (file)
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -406,7 +406,17 @@ static int armada_37xx_pmx_get_pin_muxing(struct udevice *dev, unsigned int sele
 
                        for (f = 0; f < NB_FUNCS && grp->funcs[f]; f++) {
                                if (grp->val[f] == val) {
-                                       strlcpy(buf, grp->funcs[f], size);
+                                       /*
+                                        * In more cases group name consist of
+                                        * function name followed by function
+                                        * number. So if function name is just
+                                        * prefix of group name, show group name.
+                                        */
+                                       if (strncmp(grp->name, grp->funcs[f],
+                                                   strlen(grp->funcs[f])) == 0)
+                                               strlcpy(buf, grp->name, size);
+                                       else
+                                               strlcpy(buf, grp->funcs[f], size);
                                        return 0;
                                }
                        }