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sandbox: Find keyboard driver using driver model 

The cros-ec keyboard is always a child of the cros-ec node. Rather than
searching the device tree, looking at the children. Remove the compat string
which is now unused.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2016-06-19 17:33:15 -06:00
parent 39ea0ee925
commit 920c6965d1
3 changed files with 10 additions and 3 deletions
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11
drivers/misc/cros_ec_sandbox.c
View File

@ -517,6 +517,7 @@ int cros_ec_probe(struct udevice *dev)
struct ec_state *ec = dev->priv;
struct cros_ec_dev *cdev = dev->uclass_priv;
const void *blob = gd->fdt_blob;
struct udevice *keyb_dev;
int node;
int err;
@ -525,7 +526,15 @@ int cros_ec_probe(struct udevice *dev)
if (err)
return err;
node = fdtdec_next_compatible(blob, 0, COMPAT_GOOGLE_CROS_EC_KEYB);
node = -1;
for (device_find_first_child(dev, &keyb_dev);
keyb_dev;
device_find_next_child(&keyb_dev)) {
if (device_get_uclass_id(keyb_dev) == UCLASS_KEYBOARD) {
node = keyb_dev->of_offset;
break;
}
}
if (node < 0) {
debug("%s: No cros_ec keyboard found\n", __func__);
} else if (keyscan_read_fdt_matrix(ec, blob, node)) {

1
include/fdtdec.h
View File

@ -134,7 +134,6 @@ enum fdt_compat_id {
COMPAT_SAMSUNG_S3C2440_I2C, /* Exynos I2C Controller */
COMPAT_SAMSUNG_EXYNOS5_SOUND, /* Exynos Sound */
COMPAT_WOLFSON_WM8994_CODEC, /* Wolfson WM8994 Sound Codec */
COMPAT_GOOGLE_CROS_EC_KEYB, /* Google CROS_EC Keyboard */
COMPAT_SAMSUNG_EXYNOS_USB_PHY, /* Exynos phy controller for usb2.0 */
COMPAT_SAMSUNG_EXYNOS5_USB3_PHY,/* Exynos phy controller for usb3.0 */
COMPAT_SAMSUNG_EXYNOS_TMU, /* Exynos TMU */

1
lib/fdtdec.c
View File

@ -44,7 +44,6 @@ static const char * const compat_names[COMPAT_COUNT] = {
COMPAT(SAMSUNG_S3C2440_I2C, "samsung,s3c2440-i2c"),
COMPAT(SAMSUNG_EXYNOS5_SOUND, "samsung,exynos-sound"),
COMPAT(WOLFSON_WM8994_CODEC, "wolfson,wm8994-codec"),
COMPAT(GOOGLE_CROS_EC_KEYB, "google,cros-ec-keyb"),
COMPAT(SAMSUNG_EXYNOS_USB_PHY, "samsung,exynos-usb-phy"),
COMPAT(SAMSUNG_EXYNOS5_USB3_PHY, "samsung,exynos5250-usb3-phy"),
COMPAT(SAMSUNG_EXYNOS_TMU, "samsung,exynos-tmu"),