diff options
| author | Yisheng Xie <xieyisheng1@huawei.com> | 2018-05-21 19:57:39 +0800 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2018-06-04 08:44:17 +0100 |
| commit | 4c74a1fc948b32df9c5a61eb2203d1e4d977a489 (patch) | |
| tree | 144a16d1bb248075269352779da3af067d5e8597 /drivers | |
| parent | d95c9760d9c8e046b09b54a3bb6dd0c9aa7a0eff (diff) | |
mfd: omap-usb-host: Use match_string() helper
match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/omap-usb-host.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 7aab376ecb84..e11ab12fbdf2 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -153,27 +153,6 @@ static const char * const port_modes[] = { [OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM] = "ohci-tll-2pin-dpdm", }; -/** - * omap_usbhs_get_dt_port_mode - Get the 'enum usbhs_omap_port_mode' - * from the port mode string. - * @mode: The port mode string, usually obtained from device tree. - * - * The function returns the 'enum usbhs_omap_port_mode' that matches the - * provided port mode string as per the port_modes table. - * If no match is found it returns -ENODEV - */ -static int omap_usbhs_get_dt_port_mode(const char *mode) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(port_modes); i++) { - if (!strcmp(mode, port_modes[i])) - return i; - } - - return -ENODEV; -} - static struct platform_device *omap_usbhs_alloc_child(const char *name, struct resource *res, int num_resources, void *pdata, size_t pdata_size, struct device *dev) @@ -529,7 +508,8 @@ static int usbhs_omap_get_dt_pdata(struct device *dev, if (ret < 0) continue; - ret = omap_usbhs_get_dt_port_mode(mode); + /* get 'enum usbhs_omap_port_mode' from port mode string */ + ret = match_string(port_modes, ARRAY_SIZE(port_modes), mode); if (ret < 0) { dev_warn(dev, "Invalid port%d-mode \"%s\" in device tree\n", i, mode); |