treewide: replace with error() with pr_err()

U-Boot widely uses error() as a bit noisier variant of printf().

This macro causes name conflict with the following line in
include/linux/compiler-gcc.h:

  # define __compiletime_error(message) __attribute__((error(message)))

This prevents us from using __compiletime_error(), and makes it
difficult to fully sync BUILD_BUG macros with Linux.  (Notice
Linux's BUILD_BUG_ON_MSG is implemented by using compiletime_assert().)

Let's convert error() into now treewide-available pr_err().

Done with the help of Coccinelle, excluing tools/ directory.

The semantic patch I used is as follows:

// <smpl>
@@@@
-error
+pr_err
 (...)
// </smpl>

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Re-run Coccinelle]
Signed-off-by: Tom Rini <trini@konsulko.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/dma/lpc32xx_dma.c b/drivers/dma/lpc32xx_dma.c
index 955adfeccd..63a8a2f340 100644
--- a/drivers/dma/lpc32xx_dma.c
+++ b/drivers/dma/lpc32xx_dma.c
@@ -96,7 +96,7 @@ int lpc32xx_dma_start_xfer(unsigned int channel,
 {
 	if (unlikely(((BIT_MASK(channel) & alloc_ch) == 0) ||
 		     (channel >= DMA_NO_OF_CHANNELS))) {
-		error("Request for xfer on unallocated channel %d", channel);
+		pr_err("Request for xfer on unallocated channel %d", channel);
 		return -1;
 	}
 	writel(BIT_MASK(channel), &dma->int_tc_clear);
@@ -117,7 +117,7 @@ int lpc32xx_dma_wait_status(unsigned int channel)
 
 	/* Check if given channel is valid */
 	if (unlikely(channel >= DMA_NO_OF_CHANNELS)) {
-		error("Request for status on unallocated channel %d", channel);
+		pr_err("Request for status on unallocated channel %d", channel);
 		return -1;
 	}
 
@@ -129,7 +129,7 @@ int lpc32xx_dma_wait_status(unsigned int channel)
 			break;
 
 		if (get_timer(start) > CONFIG_SYS_HZ) {
-			error("DMA status timeout channel %d\n", channel);
+			pr_err("DMA status timeout channel %d\n", channel);
 			return -ETIMEDOUT;
 		}
 		udelay(1);
@@ -138,7 +138,7 @@ int lpc32xx_dma_wait_status(unsigned int channel)
 	if (unlikely(readl(&dma->raw_err_stat) & BIT_MASK(channel))) {
 		setbits_le32(&dma->int_err_clear, BIT_MASK(channel));
 		setbits_le32(&dma->raw_err_stat, BIT_MASK(channel));
-		error("DMA error on channel %d\n", channel);
+		pr_err("DMA error on channel %d\n", channel);
 		return -1;
 	}
 	setbits_le32(&dma->int_tc_clear, BIT_MASK(channel));