From patchwork Wed Oct 12 15:22:50 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [3/3] pata_cmd64x: remove dead CMD646 rev 1 code From: Bartlomiej Zolnierkiewicz X-Patchwork-Id: 119239 X-Patchwork-Delegate: davem@davemloft.net Message-Id: <201110121722.50358.bzolnier@gmail.com> To: Alan Cox Cc: Jeff Garzik , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 12 Oct 2011 17:22:50 +0200 Alan Cox wrote: > On Tue, 11 Oct 2011 19:59:03 +0200 > Bartlomiej Zolnierkiewicz wrote: > > > From: Bartlomiej Zolnierkiewicz > > Subject: [PATCH] pata_cmd64x: remove dead CMD646 rev 1 code > > > > Signed-off-by: Bartlomiej Zolnierkiewicz > > You forgot to document why it is dead and why it should be removed From: Bartlomiej Zolnierkiewicz Subject: [PATCH v2] pata_cmd64x: remove dead CMD646 rev 1 code cmd646r1_bmdma_stop() just calls the standard ata_bmdma_stop() helper and it has been the case since the driver introduction by commit 669a5db ("[libata] Add a bunch of PATA drivers.") in Aug 2006. Signed-off-by: Bartlomiej Zolnierkiewicz --- v2: updated patch description drivers/ata/pata_cmd64x.c | 33 ++------------------------------- 1 file changed, 2 insertions(+), 31 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Index: b/drivers/ata/pata_cmd64x.c =================================================================== --- a/drivers/ata/pata_cmd64x.c +++ b/drivers/ata/pata_cmd64x.c @@ -249,18 +249,6 @@ static void cmd648_bmdma_stop(struct ata pci_write_config_byte(pdev, dma_reg, dma_intr | dma_mask); } -/** - * cmd646r1_dma_stop - DMA stop callback - * @qc: Command in progress - * - * Stub for now while investigating the r1 quirk in the old driver. - */ - -static void cmd646r1_bmdma_stop(struct ata_queued_cmd *qc) -{ - ata_bmdma_stop(qc); -} - static struct scsi_host_template cmd64x_sht = { ATA_BMDMA_SHT(DRV_NAME), }; @@ -276,12 +264,6 @@ static struct ata_port_operations cmd64x .cable_detect = ata_cable_40wire, }; -static struct ata_port_operations cmd646r1_port_ops = { - .inherits = &cmd64x_base_ops, - .bmdma_stop = cmd646r1_bmdma_stop, - .cable_detect = ata_cable_40wire, -}; - static struct ata_port_operations cmd648_port_ops = { .inherits = &cmd64x_base_ops, .bmdma_stop = cmd648_bmdma_stop, @@ -326,12 +308,6 @@ static int cmd64x_init_one(struct pci_de .udma_mask = ATA_UDMA2, .port_ops = &cmd64x_port_ops }, - { /* CMD 646 rev 1 */ - .flags = ATA_FLAG_SLAVE_POSS, - .pio_mask = ATA_PIO4, - .mwdma_mask = ATA_MWDMA2, - .port_ops = &cmd646r1_port_ops - }, { /* CMD 648 */ .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = ATA_PIO4, @@ -374,11 +350,6 @@ static int cmd64x_init_one(struct pci_de ppi[0] = &cmd_info[2]; ppi[1] = &cmd_info[2]; } - /* Early rev with other problems ? */ - else if (pdev->revision == 1) { - ppi[0] = &cmd_info[3]; - ppi[1] = &cmd_info[3]; - } /* revs 1,2 have no CNTRL_CH0 */ if (pdev->revision < 3) cntrl_ch0_ok = 0; @@ -423,8 +394,8 @@ static int cmd64x_reinit_one(struct pci_ static const struct pci_device_id cmd64x[] = { { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_643), 0 }, { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_646), 1 }, - { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_648), 4 }, - { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_649), 5 }, + { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_648), 3 }, + { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_649), 4 }, { }, };