tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
s390/3215: use new address translation helpers
Use virt_to_dma32() and friends to properly convert virtual to physical and
physical to virtual addresses so that "make C=1" does not generate any
warnings anymore.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
+2
-2
+2
-2
drivers/s390/char/con3215.c
+2
-2
drivers/s390/char/con3215.c
···
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ccw->cmd_code = 0x0A; /* read inquiry */
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ccw->flags = 0x20; /* ignore incorrect length */
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ccw->count = 160;
162
-
ccw->cda = (__u32)__pa(raw->inbuf);
162
+
ccw->cda = virt_to_dma32(raw->inbuf);
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}
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/*
···
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ccw[-1].flags |= 0x40; /* use command chaining */
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ccw->cmd_code = 0x01; /* write, auto carrier return */
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ccw->flags = 0x20; /* ignore incorrect length ind. */
221
-
ccw->cda = (__u32)__pa(raw->buffer + ix);
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+
ccw->cda = virt_to_dma32(raw->buffer + ix);
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count = len;
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if (ix + count > RAW3215_BUFFER_SIZE)
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count = RAW3215_BUFFER_SIZE - ix;