Thanks, Fengguang, did you use the same environment as Chris? If so that's just the reason caused the err. Regards Haijun. > -----Original Message----- > From: Fengguang Wu [mailto:fengguang.wu@xxxxxxxxx] > Sent: Monday, November 26, 2012 2:03 PM > To: Huang Changming-R66093 > Cc: Zhang Haijun-B42677; linux-mmc@xxxxxxxxxxxxxxx; Chris Ball > Subject: Re: [mmc:mmc-next 45/63] of_iommu.c:(.text+0x114dbc): undefined > reference to `__aeabi_uldivmod' > > On Mon, Nov 26, 2012 at 05:54:33AM +0000, Huang Changming-R66093 wrote: > > Hi, Robot > > I don't find the `__aeabi_uldivmod' in branch 'mmc-next' of linux-mmc > tree. > > Could you point out which file use it? > > > > This patch just use the 'div_u64' to calculate the timeout in order to > avoid overflow. > > Hi! This is confirmed to fix the problem: > > diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index > 48ad361..daf0636 100644 > --- a/drivers/mmc/host/omap.c > +++ b/drivers/mmc/host/omap.c > @@ -921,7 +921,7 @@ static inline void set_data_timeout(struct > mmc_omap_host *host, struct mmc_reque > u16 reg; > > cycle_ns = 1000000000 / host->current_slot->fclk_freq; > - timeout = req->data->timeout_ns / cycle_ns; > + timeout = div_u64(req->data->timeout_ns, cycle_ns); > timeout += req->data->timeout_clks; > > /* Check if we need to use timeout multiplier register */ -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html