From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20120330194844.835227748@linuxfoundation.org> Date: Fri, 30 Mar 2012 12:50:03 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Brian Norris , Jeff Garzik Subject: [ 098/175] ahci_platform: add STRICT_AHCI platform type In-Reply-To: <20120330195801.GA31806@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.3-stable review patch. If anyone has any objections, please let me know. ------------------ From: Brian Norris commit d408e2b14fba4fa214fa5bc24b7baae8a55e563c upstream. Some platforms need to make use of the AHCI_HFLAG_DELAY_ENGINE flag. Signed-off-by: Brian Norris Signed-off-by: Jeff Garzik Signed-off-by: Greg Kroah-Hartman --- drivers/ata/ahci_platform.c | 11 +++++++++++ 1 file changed, 11 insertions(+) --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -26,6 +26,7 @@ enum ahci_type { AHCI, /* standard platform ahci */ IMX53_AHCI, /* ahci on i.mx53 */ + STRICT_AHCI, /* delayed DMA engine start */ }; static struct platform_device_id ahci_devtype[] = { @@ -36,6 +37,9 @@ static struct platform_device_id ahci_de .name = "imx53-ahci", .driver_data = IMX53_AHCI, }, { + .name = "strict-ahci", + .driver_data = STRICT_AHCI, + }, { /* sentinel */ } }; @@ -56,6 +60,13 @@ static const struct ata_port_info ahci_p .udma_mask = ATA_UDMA6, .port_ops = &ahci_pmp_retry_srst_ops, }, + [STRICT_AHCI] = { + AHCI_HFLAGS (AHCI_HFLAG_DELAY_ENGINE), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, }; static struct scsi_host_template ahci_platform_sht = {