[ARM] 4776/1: Add HWUART clock to fix hwuart support

This adds back the registration of HWUART clock on pxa25x

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 8 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 9732d5d9466b..006a6e09589c 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -111,11 +111,14 @@ static const struct clkops clk_pxa25x_lcd_ops = {
  * 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz
  * 147.456MHz -> UART 14.7456MHz, AC97 12.288MHz, I2S 5.672MHz (allegedly)
  */
+static struct clk pxa25x_hwuart_clk =
+        INIT_CKEN("UARTCLK", HWUART, 14745600, 1, &pxa_device_hwuart.dev)
+;
+
 static struct clk pxa25x_clks[] = {
         INIT_CK("LCDCLK", LCD, &clk_pxa25x_lcd_ops, &pxa_device_fb.dev),
         INIT_CKEN("UARTCLK", FFUART, 14745600, 1, &pxa_device_ffuart.dev),
         INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
-        INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
         INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL),
         INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa_device_udc.dev),
         INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev),
@@ -303,6 +306,10 @@ static int __init pxa25x_init(void)
 {
         int ret = 0;
 
+        /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */
+        if (cpu_is_pxa25x())
+                clks_register(&pxa25x_hwuart_clk, 1);
+
         if (cpu_is_pxa21x() || cpu_is_pxa25x()) {
                 clks_register(pxa25x_clks, ARRAY_SIZE(pxa25x_clks));