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sd-as3525 was calling dma_release() without calling dma_retain() first, if

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no card is in the sd slot.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26896 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tobias Diedrich 2010-06-17 19:14:42 +00:00
parent a9b30ee002
commit 69028d5d31
2 changed files with 7 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

2
firmware/target/arm/as3525/dma-pl081.c
View file

@ -45,6 +45,8 @@ void dma_release(void)
DMAC_CONFIGURATION &= ~(1<<0);
CGU_PERI &= ~CGU_DMA_CLOCK_ENABLE;
}
if (dma_used < 0)
panicf("dma_used < 0!");
}
void dma_init(void)

8
firmware/target/arm/as3525/sd-as3525.c
View file

@ -683,18 +683,18 @@ static int sd_transfer_sectors(IF_MD2(int drive,) unsigned long start,
{
ret = sd_init_card(drive);
if (!(card_info[drive].initialized))
goto sd_transfer_error;
goto sd_transfer_error_nodma;
}
if(count < 0) /* XXX: why is it signed ? */
{
ret = -20;
goto sd_transfer_error;
goto sd_transfer_error_nodma;
}
if((start+count) > card_info[drive].numblocks)
{
ret = -21;
goto sd_transfer_error;
goto sd_transfer_error_nodma;
}
/* skip SanDisk OF */
@ -825,6 +825,8 @@ sd_transfer_error:
dma_release();
sd_transfer_error_nodma:
#ifndef BOOTLOADER
led(false);
sd_enable(false);