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Message-Id: <200812071527.52886.bzolnier@gmail.com>
Date: Sun, 7 Dec 2008 15:27:52 +0100
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: benh@...nel.crashing.org
Cc: Sergei Shtylyov <sshtylyov@...mvista.com>,
Kamalesh Babulal <kamalesh@...ux.vnet.ibm.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
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.
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);
.
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