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Date: Mon, 8 Dec 2008 14:35:49 +0530
From: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Cc: benh@...nel.crashing.org,
Sergei Shtylyov <sshtylyov@...mvista.com>,
Stephen Rothwell <sfr@...b.auug.org.au>,
linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
linux-ide@...r.kernel.org
Subject: Re: linux-next: Tree for October 24 - powerpc - build failure with
!CONFIG_BLK_DEV_IDEDMA_PMAC
* Bartlomiej Zolnierkiewicz <bzolnier@...il.com> [2008-12-07 15:27:52]:
> On Saturday 25 October 2008, Bartlomiej Zolnierkiewicz wrote:
> > On Saturday 25 October 2008, Benjamin Herrenschmidt wrote:
> > > On Sat, 2008-10-25 at 02:39 +0400, Sergei Shtylyov wrote:
> > > > >> Hm, looks like this configuration was never buildable --
> > > > #ifdef's are
> > > > >> missing and wrongly placed. CCing Ben Herrenschmidt...
> > > > >>
> > > > >
> > > > > What configuration ?
> > > > >
> > > >
> > > > See the subject.
> > >
> > > Ah ok. We should probably just remove the option...
> >
> > Fine with me. Anybody want an easy +1 patch-point? :)
>
> Seems like ppc people are either very busy or don't care... Oh well...
>
> From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> Subject: [PATCH] ide: build-fix for CONFIG_BLK_DEV_IDEDMA_PMAC=n
>
> IDE pmac host driver build fails with CONFIG_BLK_DEV_IDEDMA_PMAC=n
> as reported by Kamalesh:
>
> > drivers/ide/pmac.c: In function 'pmac_ide_set_pio_mode':
> > drivers/ide/pmac.c:527: error: implicit declaration of function 'kauai_lookup_timing'
> > drivers/ide/pmac.c:527: error: 'shasta_pio_timings' undeclared (first use in this function)
> > drivers/ide/pmac.c:527: error: (Each undeclared identifier is reported only once
> > drivers/ide/pmac.c:527: error: for each function it appears in.)
> > drivers/ide/pmac.c:534: error: 'kauai_pio_timings' undeclared (first use in this function)
> > drivers/ide/pmac.c: In function 'pmac_ide_do_resume':
> > drivers/ide/pmac.c:914: error: 'IDE_WAKEUP_DELAY' undeclared (first use in this function)
> > drivers/ide/pmac.c: At top level:
> > drivers/ide/pmac.c:1007: error: 'pmac_ide_init_dma' undeclared here (not in a function)
> > drivers/ide/pmac.c: In function 'pmac_ide_setup_device':
> > drivers/ide/pmac.c:1107: error: 'IDE_WAKEUP_DELAY' undeclared (first use in this function)
> > drivers/ide/pmac.c: In function 'pmac_ide_macio_attach':
> > drivers/ide/pmac.c:1209: error: 'pmac_ide_hwif_t' has no member named 'dma_regs'
> > drivers/ide/pmac.c:1210: error: 'pmac_ide_hwif_t' has no member named 'dma_regs'
> > make[2]: *** [drivers/ide/pmac.o] Error 1
>
> Fix it by removing the superfluous config option.
Thanks for the patch, it fixes the build failure.
>
> Reported-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Sergei Shtylyov <sshtylyov@...mvista.com>
> Cc: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> ---
> drivers/ide/Kconfig | 14 +++-----------
> drivers/ide/pmac.c | 30 +++---------------------------
> 2 files changed, 6 insertions(+), 38 deletions(-)
>
> Index: b/drivers/ide/Kconfig
> ===================================================================
> --- a/drivers/ide/Kconfig
> +++ b/drivers/ide/Kconfig
> @@ -655,10 +655,12 @@ config BLK_DEV_CELLEB
>
> endif
>
> +# TODO: BLK_DEV_IDEDMA_PCI -> BLK_DEV_IDEDMA_SFF
> config BLK_DEV_IDE_PMAC
> tristate "PowerMac on-board IDE support"
> depends on PPC_PMAC && IDE=y
> select IDE_TIMINGS
> + select BLK_DEV_IDEDMA_PCI
> help
> This driver provides support for the on-board IDE controller on
> most of the recent Apple Power Macintoshes and PowerBooks.
> @@ -675,16 +677,6 @@ config BLK_DEV_IDE_PMAC_ATA100FIRST
> CD-ROM on hda. This option changes this to more natural hda for
> hard disk and hdc for CD-ROM.
>
> -config BLK_DEV_IDEDMA_PMAC
> - bool "PowerMac IDE DMA support"
> - depends on BLK_DEV_IDE_PMAC
> - select BLK_DEV_IDEDMA_PCI
> - help
> - This option allows the driver for the on-board IDE controller on
> - Power Macintoshes and PowerBooks to use DMA (direct memory access)
> - to transfer data to and from memory. Saying Y is safe and improves
> - performance.
> -
> config BLK_DEV_IDE_AU1XXX
> bool "IDE for AMD Alchemy Au1200"
> depends on SOC_AU1200
> @@ -903,7 +895,7 @@ config BLK_DEV_UMC8672
> endif
>
> config BLK_DEV_IDEDMA
> - def_bool BLK_DEV_IDEDMA_SFF || BLK_DEV_IDEDMA_PMAC || \
> + def_bool BLK_DEV_IDEDMA_SFF || \
> BLK_DEV_IDEDMA_ICS || BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
>
> endif # IDE
> Index: b/drivers/ide/pmac.c
> ===================================================================
> --- a/drivers/ide/pmac.c
> +++ b/drivers/ide/pmac.c
> @@ -66,7 +66,6 @@ typedef struct pmac_ide_hwif {
> struct macio_dev *mdev;
> u32 timings[4];
> volatile u32 __iomem * *kauai_fcr;
> -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> /* Those fields are duplicating what is in hwif. We currently
> * can't use the hwif ones because of some assumptions that are
> * beeing done by the generic code about the kind of dma controller
> @@ -74,8 +73,6 @@ typedef struct pmac_ide_hwif {
> */
> volatile struct dbdma_regs __iomem * dma_regs;
> struct dbdma_cmd* dma_table_cpu;
> -#endif
> -
> } pmac_ide_hwif_t;
>
> enum {
> @@ -222,8 +219,6 @@ static const char* model_name[] = {
> #define KAUAI_FCR_UATA_RESET_N 0x00000002
> #define KAUAI_FCR_UATA_ENABLE 0x00000001
>
> -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> -
> /* Rounded Multiword DMA timings
> *
> * I gave up finding a generic formula for all controller
> @@ -413,8 +408,6 @@ static int pmac_ide_build_dmatable(ide_d
> static void pmac_ide_selectproc(ide_drive_t *drive);
> static void pmac_ide_kauai_selectproc(ide_drive_t *drive);
>
> -#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
> -
> #define PMAC_IDE_REG(x) \
> ((void __iomem *)((drive)->hwif->io_ports.data_addr + (x)))
>
> @@ -584,8 +577,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive
> pmac_ide_do_update_timings(drive);
> }
>
> -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> -
> /*
> * Calculate KeyLargo ATA/66 UDMA timings
> */
> @@ -786,7 +777,6 @@ set_timings_mdma(ide_drive_t *drive, int
> drive->name, speed & 0xf, *timings);
> #endif
> }
> -#endif /* #ifdef CONFIG_BLK_DEV_IDEDMA_PMAC */
>
> static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)
> {
> @@ -804,7 +794,6 @@ static void pmac_ide_set_dma_mode(ide_dr
> tl[0] = *timings;
> tl[1] = *timings2;
>
> -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> if (speed >= XFER_UDMA_0) {
> if (pmif->kind == controller_kl_ata4)
> ret = set_timings_udma_ata4(&tl[0], speed);
> @@ -817,7 +806,7 @@ static void pmac_ide_set_dma_mode(ide_dr
> ret = -1;
> } else
> set_timings_mdma(drive, pmif->kind, &tl[0], &tl[1], speed);
> -#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
> +
> if (ret)
> return;
>
> @@ -1008,9 +997,7 @@ static const struct ide_port_info pmac_p
> .chipset = ide_pmac,
> .tp_ops = &pmac_tp_ops,
> .port_ops = &pmac_ide_port_ops,
> -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> .dma_ops = &pmac_dma_ops,
> -#endif
> .host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA |
> IDE_HFLAG_POST_SET_MODE |
> IDE_HFLAG_MMIO |
> @@ -1182,7 +1169,7 @@ pmac_ide_macio_attach(struct macio_dev *
> pmif->regbase = regbase;
> pmif->irq = irq;
> pmif->kauai_fcr = NULL;
> -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> +
> if (macio_resource_count(mdev) >= 2) {
> if (macio_request_resource(mdev, 1, "ide-pmac (dma)"))
> printk(KERN_WARNING "ide-pmac: can't request DMA "
> @@ -1192,7 +1179,7 @@ pmac_ide_macio_attach(struct macio_dev *
> pmif->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x1000);
> } else
> pmif->dma_regs = NULL;
> -#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
> +
> dev_set_drvdata(&mdev->ofdev.dev, pmif);
>
> memset(&hw, 0, sizeof(hw));
> @@ -1300,9 +1287,7 @@ pmac_ide_pci_attach(struct pci_dev *pdev
>
> base = ioremap(rbase, rlen);
> pmif->regbase = (unsigned long) base + 0x2000;
> -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> pmif->dma_regs = base + 0x1000;
> -#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
> pmif->kauai_fcr = base;
> pmif->irq = pdev->irq;
>
> @@ -1434,8 +1419,6 @@ out:
> return error;
> }
>
> -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
> -
> /*
> * pmac_ide_build_dmatable builds the DBDMA command list
> * for a transfer and sets the DBDMA channel to point to it.
> @@ -1723,13 +1706,6 @@ static int __devinit pmac_ide_init_dma(i
>
> return 0;
> }
> -#else
> -static int __devinit pmac_ide_init_dma(ide_hwif_t *hwif,
> - const struct ide_port_info *d)
> -{
> - return -EOPNOTSUPP;
> -}
> -#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
>
> module_init(pmac_ide_probe);
>
>
--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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