Commit 14aae78f authored by Cédric Le Goater's avatar Cédric Le Goater Committed by Michael Ellerman
Browse files

powerpc/powernv: convert OPAL codes returned by sysparam calls 



The opal_{get,set}_param calls return internal error codes which need
to be translated in errnos in Linux.

Signed-off-by: default avatarCédric Le Goater <clg@fr.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 6f7f0b3d

arch/powerpc/platforms/powernv/opal-sysparam.c

+8 −4
Original line number Diff line number Diff line
@@ -55,8 +55,10 @@ static ssize_t opal_get_sys_param(u32 param_id, u32 length, void *buffer) 
	}



	ret = opal_get_param(token, param_id, (u64)buffer, length);

	if (ret != OPAL_ASYNC_COMPLETION)

	if (ret != OPAL_ASYNC_COMPLETION) {

		ret = opal_error_code(ret);

		goto out_token;

	}



	ret = opal_async_wait_response(token, &msg);

	if (ret) {
@@ -65,7 +67,7 @@ static ssize_t opal_get_sys_param(u32 param_id, u32 length, void *buffer) 
		goto out_token;

	}



	ret = be64_to_cpu(msg.params[1]);

	ret = opal_error_code(be64_to_cpu(msg.params[1]));



out_token:

	opal_async_release_token(token);
@@ -89,8 +91,10 @@ static int opal_set_sys_param(u32 param_id, u32 length, void *buffer) 


	ret = opal_set_param(token, param_id, (u64)buffer, length);



	if (ret != OPAL_ASYNC_COMPLETION)

	if (ret != OPAL_ASYNC_COMPLETION) {

		ret = opal_error_code(ret);

		goto out_token;

	}



	ret = opal_async_wait_response(token, &msg);

	if (ret) {
@@ -99,7 +103,7 @@ static int opal_set_sys_param(u32 param_id, u32 length, void *buffer) 
		goto out_token;

	}



	ret = be64_to_cpu(msg.params[1]);

	ret = opal_error_code(be64_to_cpu(msg.params[1]));



out_token:

	opal_async_release_token(token);

arch/powerpc/platforms/powernv/opal.c

+1 −0
Original line number Diff line number Diff line
@@ -830,6 +830,7 @@ int opal_error_code(int rc) 
	case OPAL_ASYNC_COMPLETION:	return -EINPROGRESS;

	case OPAL_BUSY_EVENT:		return -EBUSY;

	case OPAL_NO_MEM:		return -ENOMEM;

	case OPAL_PERMISSION:		return -EPERM;



	case OPAL_UNSUPPORTED:		return -EIO;

	case OPAL_HARDWARE:		return -EIO;

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