diff options
| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2015-03-17 17:15:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-26 10:54:01 +0100 |
| commit | 963719c872a3a71bc2abf4d4899392acab93b09d (patch) | |
| tree | 5986a1a33f60f78340a27de1f82819035ad31125 /drivers/usb/host/ohci-at91.c | |
| parent | cdc-wdm: error returns need to be translated (diff) | |
| download | linux-963719c872a3a71bc2abf4d4899392acab93b09d.tar.xz linux-963719c872a3a71bc2abf4d4899392acab93b09d.zip | |
USB: host: ohci-at91: remove useless uclk clock
Now that the system clock driver is forwarding set_rate request to the
parent clock, we can safely call clk_set_rate on the system clk and get
rid of the uclk field.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ohci-at91.c')
| -rw-r--r-- | drivers/usb/host/ohci-at91.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 7cce85a1f7dc..15df00cceed9 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -39,7 +39,6 @@ struct ohci_at91_priv { struct clk *iclk; struct clk *fclk; - struct clk *uclk; struct clk *hclk; bool clocked; bool wakeup; /* Saved wake-up state for resume */ @@ -64,10 +63,8 @@ static void at91_start_clock(struct ohci_at91_priv *ohci_at91) { if (ohci_at91->clocked) return; - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - clk_set_rate(ohci_at91->uclk, 48000000); - clk_prepare_enable(ohci_at91->uclk); - } + + clk_set_rate(ohci_at91->fclk, 48000000); clk_prepare_enable(ohci_at91->hclk); clk_prepare_enable(ohci_at91->iclk); clk_prepare_enable(ohci_at91->fclk); @@ -78,11 +75,10 @@ static void at91_stop_clock(struct ohci_at91_priv *ohci_at91) { if (!ohci_at91->clocked) return; + clk_disable_unprepare(ohci_at91->fclk); clk_disable_unprepare(ohci_at91->iclk); clk_disable_unprepare(ohci_at91->hclk); - if (IS_ENABLED(CONFIG_COMMON_CLK)) - clk_disable_unprepare(ohci_at91->uclk); ohci_at91->clocked = false; } @@ -191,14 +187,6 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, retval = PTR_ERR(ohci_at91->hclk); goto err; } - if (IS_ENABLED(CONFIG_COMMON_CLK)) { - ohci_at91->uclk = devm_clk_get(dev, "usb_clk"); - if (IS_ERR(ohci_at91->uclk)) { - dev_err(dev, "failed to get uclk\n"); - retval = PTR_ERR(ohci_at91->uclk); - goto err; - } - } board = hcd->self.controller->platform_data; ohci = hcd_to_ohci(hcd); |