mirror of https://gitee.com/openkylin/linux.git
322c512f47
The mere fact that the kernel has the MMC subsystem enabled (CONFIG_MMC
enabled) does not mean that the underlying hardware platform has the
SDHC hardware present. Within the ColdFire hardware defines that is
signified by MCFSDHC_BASE being defined with an address.
The platform data for the ColdFire parts is including the SDHC hardware
if CONFIG_MMC is enabled, instead of MCFSDHC_BASE. This means that if
you are compiling for a ColdFire target that does not support SDHC but
enable CONFIG_MMC you will fail to compile with errors like this:
arch/m68k/coldfire/device.c:565:12: error: ‘MCFSDHC_BASE’ undeclared here (not in a function)
.start = MCFSDHC_BASE,
^
arch/m68k/coldfire/device.c:566:25: error: ‘MCFSDHC_SIZE’ undeclared here (not in a function)
.end = MCFSDHC_BASE + MCFSDHC_SIZE - 1,
^
arch/m68k/coldfire/device.c:569:12: error: ‘MCF_IRQ_SDHC’ undeclared here (not in a function)
.start = MCF_IRQ_SDHC,
^
Make the SDHC platform support depend on MCFSDHC_BASE, that is only
include it if the specific ColdFire SoC has that hardware module.
Fixes:
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|---|---|---|
| .. | ||
| Makefile | ||
| amcore.c | ||
| cache.c | ||
| clk.c | ||
| device.c | ||
| dma.c | ||
| dma_timer.c | ||
| entry.S | ||
| firebee.c | ||
| gpio.c | ||
| head.S | ||
| intc-2.c | ||
| intc-525x.c | ||
| intc-5249.c | ||
| intc-5272.c | ||
| intc-simr.c | ||
| intc.c | ||
| m53xx.c | ||
| m54xx.c | ||
| m520x.c | ||
| m523x.c | ||
| m525x.c | ||
| m527x.c | ||
| m528x.c | ||
| m5206.c | ||
| m5249.c | ||
| m5272.c | ||
| m5307.c | ||
| m5407.c | ||
| m5441x.c | ||
| mcf8390.c | ||
| nettel.c | ||
| pci.c | ||
| pit.c | ||
| reset.c | ||
| sltimers.c | ||
| stmark2.c | ||
| timers.c | ||
| vectors.c | ||