Return-Path: Message-Id: <20080701140624.096181346@de.ibm.com> References: <20080701140551.168274793@de.ibm.com> Date: Tue, 01 Jul 2008 16:05:52 +0200 From: Martin Schwidefsky Subject: [patch 1/5] cio: Export chsc_error_from_response(). Content-Disposition: inline; filename=200-nqdio-chsc.diff Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: jang@linux.vnet.ibm.com, Cornelia Huck , Martin Schwidefsky List-ID: From: Cornelia Huck Make chsc_error_from_response() available to chsc callers outside of chsc.c (namely qdio) to avoid duplicating error checking code. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/chsc.c | 9 ++++++++- drivers/s390/cio/chsc.h | 2 ++ 2 files changed, 10 insertions(+), 1 deletion(-) Index: quilt-2.6/drivers/s390/cio/chsc.c =================================================================== --- quilt-2.6.orig/drivers/s390/cio/chsc.c +++ quilt-2.6/drivers/s390/cio/chsc.c @@ -27,7 +27,13 @@ static void *sei_page; -static int chsc_error_from_response(int response) +/** + * chsc_error_from_response() - convert a chsc response to an error + * @response: chsc response code + * + * Returns an appropriate Linux error code for @response. + */ +int chsc_error_from_response(int response) { switch (response) { case 0x0001: @@ -45,6 +51,7 @@ static int chsc_error_from_response(int return -EIO; } } +EXPORT_SYMBOL_GPL(chsc_error_from_response); struct chsc_ssd_area { struct chsc_header request; Index: quilt-2.6/drivers/s390/cio/chsc.h =================================================================== --- quilt-2.6.orig/drivers/s390/cio/chsc.h +++ quilt-2.6/drivers/s390/cio/chsc.h @@ -101,4 +101,6 @@ void chsc_chp_online(struct chp_id chpid void chsc_chp_offline(struct chp_id chpid); int chsc_get_channel_measurement_chars(struct channel_path *chp); +int chsc_error_from_response(int response); + #endif -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.