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usb: s3c-hsotg: Fix maximum patcket size setting for EP0

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MPS field of DOEPCTL0 is read only.

Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Anton Tikhomirov 2012-03-06 14:07:29 +09:00 committed by Felipe Balbi
parent f7a83fe193
commit 659ad60cb9
1 changed files with 6 additions and 4 deletions
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10
drivers/usb/gadget/s3c-hsotg.c
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@ -1696,10 +1696,12 @@ static void s3c_hsotg_set_ep_maxpacket(struct s3c_hsotg *hsotg,
reg |= mpsval;
writel(reg, regs + S3C_DIEPCTL(ep));
reg = readl(regs + S3C_DOEPCTL(ep));
reg &= ~S3C_DxEPCTL_MPS_MASK;
reg |= mpsval;
writel(reg, regs + S3C_DOEPCTL(ep));
if (ep) {
reg = readl(regs + S3C_DOEPCTL(ep));
reg &= ~S3C_DxEPCTL_MPS_MASK;
reg |= mpsval;
writel(reg, regs + S3C_DOEPCTL(ep));
}
return;