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authorRichard Leitner <richard.leitner@skidata.com>2017-03-06 09:24:21 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-09 10:34:16 +0100
commit7f7d8ba3b2140d993887a7db7a83d85c1f8db0e8 (patch)
tree75fc7bcbccf34812d85196887688ea84db428597 /drivers/usb
parentcfa47afe77b393e2c24a57e7e9611857a0b064f1 (diff)
downloadlinux-7f7d8ba3b2140d993887a7db7a83d85c1f8db0e8.tar.bz2
usb: usb251xb: dt: add unit suffix to oc-delay and power-on-time
Rename oc-delay-* to oc-delay-us and make it expect a time value. Furthermore add -ms suffix to power-on-time. There changes were suggested by Rob Herring in https://lkml.org/lkml/2017/2/15/1283. Signed-off-by: Richard Leitner <richard.leitner@skidata.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/misc/usb251xb.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c
index 3f9c3060c477..91f66d68bcb7 100644
--- a/drivers/usb/misc/usb251xb.c
+++ b/drivers/usb/misc/usb251xb.c
@@ -375,18 +375,24 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
if (of_get_property(np, "dynamic-power-switching", NULL))
hub->conf_data2 |= BIT(7);
- if (of_get_property(np, "oc-delay-100us", NULL)) {
- hub->conf_data2 &= ~BIT(5);
- hub->conf_data2 &= ~BIT(4);
- } else if (of_get_property(np, "oc-delay-4ms", NULL)) {
- hub->conf_data2 &= ~BIT(5);
- hub->conf_data2 |= BIT(4);
- } else if (of_get_property(np, "oc-delay-8ms", NULL)) {
- hub->conf_data2 |= BIT(5);
- hub->conf_data2 &= ~BIT(4);
- } else if (of_get_property(np, "oc-delay-16ms", NULL)) {
- hub->conf_data2 |= BIT(5);
- hub->conf_data2 |= BIT(4);
+ if (!of_property_read_u32(np, "oc-delay-us", property_u32)) {
+ if (*property_u32 == 100) {
+ /* 100 us*/
+ hub->conf_data2 &= ~BIT(5);
+ hub->conf_data2 &= ~BIT(4);
+ } else if (*property_u32 == 4000) {
+ /* 4 ms */
+ hub->conf_data2 &= ~BIT(5);
+ hub->conf_data2 |= BIT(4);
+ } else if (*property_u32 == 16000) {
+ /* 16 ms */
+ hub->conf_data2 |= BIT(5);
+ hub->conf_data2 |= BIT(4);
+ } else {
+ /* 8 ms (DEFAULT) */
+ hub->conf_data2 |= BIT(5);
+ hub->conf_data2 &= ~BIT(4);
+ }
}
if (of_get_property(np, "compound-device", NULL))
@@ -433,9 +439,8 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
}
hub->power_on_time = USB251XB_DEF_POWER_ON_TIME;
- if (!of_property_read_u32(np, "power-on-time", property_u32))
- hub->power_on_time = min_t(u8, be32_to_cpu(*property_u32) / 2,
- 255);
+ if (!of_property_read_u32(np, "power-on-time-ms", property_u32))
+ hub->power_on_time = min_t(u8, *property_u32 / 2, 255);
if (of_property_read_u16_array(np, "language-id", &hub->lang_id, 1))
hub->lang_id = USB251XB_DEF_LANGUAGE_ID;