ide: use DIV_ROUND_UP

[linux-2.6] / drivers / ide / arm / palm_bk3710.c

diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c
index 474162cdf66599ab8b581e37def8f89a0668ff40..666df779a5f46a119c1c2ff875eca5fb3d58e610 100644 (file)
--- a/drivers/ide/arm/palm_bk3710.c
+++ b/drivers/ide/arm/palm_bk3710.c
@@ -96,11 +96,11 @@ static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev,
        u16 val16;
 
        /* DMA Data Setup */
-       t0 = (palm_bk3710_udmatimings[mode].cycletime + ide_palm_clk - 1)
-                       / ide_palm_clk - 1;
-       tenv = (20 + ide_palm_clk - 1) / ide_palm_clk - 1;
-       trp = (palm_bk3710_udmatimings[mode].rptime + ide_palm_clk - 1)
-                       / ide_palm_clk - 1;
+       t0 = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].cycletime,
+                         ide_palm_clk) - 1;
+       tenv = DIV_ROUND_UP(20, ide_palm_clk) - 1;
+       trp = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].rptime,
+                          ide_palm_clk) - 1;
 
        /* udmatim Register */
        val16 = readw(base + BK3710_UDMATIM) & (dev ? 0xFF0F : 0xFFF0);
@@ -141,8 +141,8 @@ static void palm_bk3710_setdmamode(void __iomem *base, unsigned int dev,
        cycletime = max_t(int, t->cycle, min_cycle);
 
        /* DMA Data Setup */
-       t0 = (cycletime + ide_palm_clk - 1) / ide_palm_clk;
-       td = (t->active + ide_palm_clk - 1) / ide_palm_clk;
+       t0 = DIV_ROUND_UP(cycletime, ide_palm_clk);
+       td = DIV_ROUND_UP(t->active, ide_palm_clk);
        tkw = t0 - td - 1;
        td -= 1;
 
@@ -168,9 +168,9 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate,
        struct ide_timing *t;
 
        /* PIO Data Setup */
-       t0 = (cycletime + ide_palm_clk - 1) / ide_palm_clk;
-       t2 = (ide_timing_find_mode(XFER_PIO_0 + mode)->active +
-             ide_palm_clk - 1) / ide_palm_clk;
+       t0 = DIV_ROUND_UP(cycletime, ide_palm_clk);
+       t2 = DIV_ROUND_UP(ide_timing_find_mode(XFER_PIO_0 + mode)->active,
+                         ide_palm_clk);
 
        t2i = t0 - t2 - 1;
        t2 -= 1;
@@ -192,8 +192,8 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate,
 
        /* TASKFILE Setup */
        t = ide_timing_find_mode(XFER_PIO_0 + mode);
-       t0 = (t->cyc8b + ide_palm_clk - 1) / ide_palm_clk;
-       t2 = (t->act8b + ide_palm_clk - 1) / ide_palm_clk;
+       t0 = DIV_ROUND_UP(t->cyc8b, ide_palm_clk);
+       t2 = DIV_ROUND_UP(t->act8b, ide_palm_clk);
 
        t2i = t0 - t2 - 1;
        t2 -= 1;
@@ -378,7 +378,7 @@ static int __devinit palm_bk3710_probe(struct platform_device *pdev)
        hw.irq = irq->start;
        hw.chipset = ide_palm3710;
 
-       hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+       hwif = ide_find_port();
        if (hwif == NULL)
                goto out;
 
@@ -409,9 +409,13 @@ out:
        return -ENODEV;
 }
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:palm_bk3710");
+
 static struct platform_driver platform_bk_driver = {
        .driver = {
                .name = "palm_bk3710",
+               .owner = THIS_MODULE,
        },
        .probe = palm_bk3710_probe,
        .remove = NULL,