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Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (100 commits)
  ARM: Eliminate decompressor -Dstatic= PIC hack
  ARM: 5958/1: ARM: U300: fix inverted clk round rate
  ARM: 5956/1: misplaced parentheses
  ARM: 5955/1: ep93xx: move timer defines into core.c and document
  ARM: 5954/1: ep93xx: move gpio interrupt support to gpio.c
  ARM: 5953/1: ep93xx: fix broken build of clock.c
  ARM: 5952/1: ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig
  ARM: 5949/1: NUC900 add gpio virtual memory map
  ARM: 5948/1: Enable timer0 to time4 clock support for nuc910
  ARM: 5940/2: ARM: MMCI: remove custom DBG macro and printk
  ARM: make_coherent(): fix problems with highpte, part 2
  MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself
  ARM: 5945/1: ep93xx: include correct irq.h in core.c
  ARM: 5933/1: amba-pl011: support hardware flow control
  ARM: 5930/1: Add PKMAP area description to memory.txt.
  ARM: 5929/1: Add checks to detect overlap of memory regions.
  ARM: 5928/1: Change type of VMALLOC_END to unsigned long.
  ARM: 5927/1: Make delimiters of DMA area globally visibly.
  ARM: 5926/1: Add "Virtual kernel memory..." printout.
  ARM: 5920/1: OMAP4: Enable L2 Cache
  ...

Fix up trivial conflict in arch/arm/mach-mx25/clock.c
This commit is contained in:
Linus Torvalds 2010-03-01 09:15:15 -08:00
commit ac0f6f927d
318 changed files with 12430 additions and 2054 deletions
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18
drivers/spi/amba-pl022.c
View file

@ -363,6 +363,7 @@ struct pl022 {
void *rx_end;
enum ssp_reading read;
enum ssp_writing write;
u32 exp_fifo_level;
};
/**
@ -501,6 +502,9 @@ static int flush(struct pl022 *pl022)
while (readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE)
readw(SSP_DR(pl022->virtbase));
} while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_BSY) && limit--);
pl022->exp_fifo_level = 0;
return limit;
}
@ -583,10 +587,9 @@ static void readwriter(struct pl022 *pl022)
* errons in 8bit wide transfers on ARM variants (just 8 words
* FIFO, means only 8x8 = 64 bits in FIFO) at least.
*
* FIXME: currently we have no logic to account for this.
* perhaps there is even something broken in HW regarding
* 8bit transfers (it doesn't fail on 16bit) so this needs
* more investigation...
* To prevent this issue, the TX FIFO is only filled to the
* unused RX FIFO fill length, regardless of what the TX
* FIFO status flag indicates.
*/
dev_dbg(&pl022->adev->dev,
"%s, rx: %p, rxend: %p, tx: %p, txend: %p\n",
@ -613,11 +616,12 @@ static void readwriter(struct pl022 *pl022)
break;
}
pl022->rx += (pl022->cur_chip->n_bytes);
pl022->exp_fifo_level--;
}
/*
* Write as much as you can, while keeping an eye on the RX FIFO!
* Write as much as possible up to the RX FIFO size
*/
while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_TNF)
while ((pl022->exp_fifo_level < pl022->vendor->fifodepth)
&& (pl022->tx < pl022->tx_end)) {
switch (pl022->write) {
case WRITING_NULL:
@ -634,6 +638,7 @@ static void readwriter(struct pl022 *pl022)
break;
}
pl022->tx += (pl022->cur_chip->n_bytes);
pl022->exp_fifo_level++;
/*
* This inner reader takes care of things appearing in the RX
* FIFO as we're transmitting. This will happen a lot since the
@ -660,6 +665,7 @@ static void readwriter(struct pl022 *pl022)
break;
}
pl022->rx += (pl022->cur_chip->n_bytes);
pl022->exp_fifo_level--;
}
}
/*