MIPS: Alchemy: Fix db1200 PSC clock enablement

Enable PSC0 (I2C/SPI) clock and leave PSC1 (Audio) alone.  This patch
restores functionality to both Audio and I2C/SPI.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7544/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c
index 7761889..8c13675 100644 (file)
--- a/arch/mips/alchemy/devboards/db1200.c
+++ b/arch/mips/alchemy/devboards/db1200.c
@@ -847,6 +847,7 @@ int __init db1200_dev_setup(void)
                        pr_warn("DB1200: cant get I2C close to 50MHz\n");
                else
                        clk_set_rate(c, pfc);
+               clk_prepare_enable(c);
                clk_put(c);
        }
 
@@ -922,11 +923,6 @@ int __init db1200_dev_setup(void)
        }
 
        /* Audio PSC clock is supplied externally. (FIXME: platdata!!) */
-       c = clk_get(NULL, "psc1_intclk");
-       if (!IS_ERR(c)) {
-               clk_prepare_enable(c);
-               clk_put(c);
-       }
        __raw_writel(PSC_SEL_CLK_SERCLK,
            (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
        wmb();