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TPM: TCG_ATMEL should depend on HAS_IOPORT

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On m68k, I get:

drivers/char/tpm/tpm_atmel.h: In function ‘atmel_get_base_addr’:
drivers/char/tpm/tpm_atmel.h:129: error: implicit declaration of function ‘ioport_map’
drivers/char/tpm/tpm_atmel.h:129: warning: return makes pointer from integer without a cast

The code in tpm_atmel.h supports PPC64 (using the device tree and ioremap())
and "anything else" (using ioport_map()). However, ioportmap() is only
available on platforms that set HAS_IOPORT.

Although PC64 seems to have HAS_IOPORT, a "depends on HAS_IOPORT" should work,
but I think it's better to expose the special PPC64 handling explicit using
"depends on PPC64 || HAS_IOPORT".

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Geert Uytterhoeven 2011-08-08 13:08:19 +02:00 • committed by James Morris
parent d93dc5c447
commit 5ce5ed3593
1 changed files with 1 additions and 0 deletions
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1
drivers/char/tpm/Kconfig
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@ -43,6 +43,7 @@ config TCG_NSC
config TCG_ATMEL config TCG_ATMEL
tristate "Atmel TPM Interface" tristate "Atmel TPM Interface"
depends on PPC64 || HAS_IOPORT
---help--- ---help---
If you have a TPM security chip from Atmel say Yes and it If you have a TPM security chip from Atmel say Yes and it
will be accessible from within Linux. To compile this driver will be accessible from within Linux. To compile this driver