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Commit 8d8c37c7 authored by James Bottomley's avatar James Bottomley
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remove old ifdefs aic7xxx 

From: janitor@sternwelten.at

 Patches to remove some old ifdefs.
 remove most of the #include <linux/version.h>
 kill compat cruft like #define ahd_pci_set_dma_mask pci_set_dma_mask
Signed-off-by: default avatarMaximilian Attems <janitor@sternwelten.at>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 5708e7bd
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Showing with 30 additions and 166 deletions
drivers/scsi/aic7xxx/aic7xxx.h
View file @ 8d8c37c7
......@@ -521,7 +521,7 @@ struct ahc_dma_seg {
struct sg_map_node {
bus_dmamap_t sg_dmamap;
bus_addr_t sg_physaddr;
dma_addr_t sg_physaddr;
struct ahc_dma_seg* sg_vaddr;
SLIST_ENTRY(sg_map_node) links;
};
......@@ -584,7 +584,7 @@ struct scb {
struct scb_platform_data *platform_data;
struct sg_map_node *sg_map;
struct ahc_dma_seg *sg_list;
bus_addr_t sg_list_phys;
dma_addr_t sg_list_phys;
u_int sg_count;/* How full ahc_dma_seg is */
};
......@@ -611,10 +611,10 @@ struct scb_data {
*/
bus_dma_tag_t hscb_dmat; /* dmat for our hardware SCB array */
bus_dmamap_t hscb_dmamap;
bus_addr_t hscb_busaddr;
dma_addr_t hscb_busaddr;
bus_dma_tag_t sense_dmat;
bus_dmamap_t sense_dmamap;
bus_addr_t sense_busaddr;
dma_addr_t sense_busaddr;
bus_dma_tag_t sg_dmat; /* dmat for our sg segments */
SLIST_HEAD(, sg_map_node) sg_maps;
uint8_t numscbs;
......@@ -1069,14 +1069,14 @@ struct ahc_softc {
bus_dma_tag_t parent_dmat;
bus_dma_tag_t shared_data_dmat;
bus_dmamap_t shared_data_dmamap;
bus_addr_t shared_data_busaddr;
dma_addr_t shared_data_busaddr;
/*
* Bus address of the one byte buffer used to
* work-around a DMA bug for chips <= aic7880
* in target mode.
*/
bus_addr_t dma_bug_buf;
dma_addr_t dma_bug_buf;
/* Number of enabled target mode device on this card */
u_int enabled_luns;
......
drivers/scsi/aic7xxx/aic7xxx_core.c
View file @ 8d8c37c7
......@@ -4199,9 +4199,9 @@ ahc_probe_scbs(struct ahc_softc *ahc) {
static void
ahc_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
{
bus_addr_t *baddr;
dma_addr_t *baddr;
baddr = (bus_addr_t *)arg;
baddr = (dma_addr_t *)arg;
*baddr = segs->ds_addr;
}
......@@ -4456,7 +4456,7 @@ ahc_alloc_scbs(struct ahc_softc *ahc)
struct scb_data *scb_data;
struct scb *next_scb;
struct sg_map_node *sg_map;
bus_addr_t physaddr;
dma_addr_t physaddr;
struct ahc_dma_seg *segs;
int newcount;
int i;
......@@ -4820,7 +4820,7 @@ ahc_init(struct ahc_softc *ahc)
if (ahc_dma_tag_create(ahc, ahc->parent_dmat, /*alignment*/1,
/*boundary*/BUS_SPACE_MAXADDR_32BIT + 1,
/*lowaddr*/ahc->flags & AHC_39BIT_ADDRESSING
? (bus_addr_t)0x7FFFFFFFFFULL
? (dma_addr_t)0x7FFFFFFFFFULL
: BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
......
drivers/scsi/aic7xxx/aic7xxx_osm.c
View file @ 8d8c37c7
......@@ -129,10 +129,7 @@
*/
#include "aiclib.c"
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
#include <linux/init.h> /* __setup */
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#include "sd.h" /* For geometry detection */
......@@ -152,14 +149,6 @@ spinlock_t ahc_list_spinlock;
u_int ahc_linux_nseg;
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
struct proc_dir_entry proc_scsi_aic7xxx = {
PROC_SCSI_AIC7XXX, 7, "aic7xxx",
S_IFDIR | S_IRUGO | S_IXUGO, 2,
0, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL
};
#endif
/*
* Set this to the delay in seconds after SCSI bus reset.
* Note, we honor this only for the initial bus reset.
......@@ -572,7 +561,7 @@ static __inline void ahc_linux_unmap_scb(struct ahc_softc*, struct scb*);
static __inline int ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb,
struct ahc_dma_seg *sg,
bus_addr_t addr, bus_size_t len);
dma_addr_t addr, bus_size_t len);
static __inline void
ahc_schedule_completeq(struct ahc_softc *ahc)
......@@ -590,14 +579,7 @@ ahc_schedule_completeq(struct ahc_softc *ahc)
static __inline void
ahc_schedule_runq(struct ahc_softc *ahc)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_schedule(&ahc->platform_data->runq_tasklet);
#else
/*
* Tasklets are not available, so run inline.
*/
ahc_runq_tasklet((unsigned long)ahc);
#endif
}
static __inline struct ahc_linux_device*
......@@ -728,7 +710,7 @@ ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb)
static __inline int
ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb,
struct ahc_dma_seg *sg, bus_addr_t addr, bus_size_t len)
struct ahc_dma_seg *sg, dma_addr_t addr, bus_size_t len)
{
int consumed;
......@@ -740,7 +722,7 @@ ahc_linux_map_seg(struct ahc_softc *ahc, struct scb *scb,
sg->addr = ahc_htole32(addr & 0xFFFFFFFF);
scb->platform_data->xfer_len += len;
if (sizeof(bus_addr_t) > 4
if (sizeof(dma_addr_t) > 4
&& (ahc->flags & AHC_39BIT_ADDRESSING) != 0)
len |= (addr >> 8) & AHC_SG_HIGH_ADDR_MASK;
......@@ -877,11 +859,7 @@ ahc_linux_detect(Scsi_Host_Template *template)
"aic7xxx: insmod or else it might trash certain memory areas.\n");
#endif
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0)
template->proc_name = "aic7xxx";
#else
template->proc_dir = &proc_scsi_aic7xxx;
#endif
/*
* Initialize our softc list lock prior to
......@@ -1323,28 +1301,20 @@ ahc_runq_tasklet(unsigned long data)
{
struct ahc_softc* ahc;
struct ahc_linux_device *dev;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
u_long flags;
#endif
ahc = (struct ahc_softc *)data;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
ahc_lock(ahc, &flags);
#endif
while ((dev = ahc_linux_next_device_to_run(ahc)) != NULL) {
TAILQ_REMOVE(&ahc->platform_data->device_runq, dev, links);
dev->flags &= ~AHC_DEV_ON_RUN_LIST;
ahc_linux_check_device_queue(ahc, dev);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
/* Yeild to our interrupt handler */
ahc_unlock(ahc, &flags);
ahc_lock(ahc, &flags);
#endif
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
ahc_unlock(ahc, &flags);
#endif
}
/******************************** Macros **************************************/
......@@ -1357,7 +1327,7 @@ ahc_runq_tasklet(unsigned long data)
int
ahc_dma_tag_create(struct ahc_softc *ahc, bus_dma_tag_t parent,
bus_size_t alignment, bus_size_t boundary,
bus_addr_t lowaddr, bus_addr_t highaddr,
dma_addr_t lowaddr, dma_addr_t highaddr,
bus_dma_filter_t *filter, void *filterarg,
bus_size_t maxsize, int nsegments,
bus_size_t maxsegsz, int flags, bus_dma_tag_t *ret_tag)
......@@ -1394,7 +1364,6 @@ ahc_dmamem_alloc(struct ahc_softc *ahc, bus_dma_tag_t dmat, void** vaddr,
{
bus_dmamap_t map;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
map = malloc(sizeof(*map), M_DEVBUF, M_NOWAIT);
if (map == NULL)
return (ENOMEM);
......@@ -1406,7 +1375,7 @@ ahc_dmamem_alloc(struct ahc_softc *ahc, bus_dma_tag_t dmat, void** vaddr,
* our dma mask when doing allocations.
*/
if (ahc->dev_softc != NULL)
if (ahc_pci_set_dma_mask(ahc->dev_softc, 0xFFFFFFFF)) {
if (pci_set_dma_mask(ahc->dev_softc, 0xFFFFFFFF)) {
printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n");
kfree(map);
return (ENODEV);
......@@ -1414,22 +1383,12 @@ ahc_dmamem_alloc(struct ahc_softc *ahc, bus_dma_tag_t dmat, void** vaddr,
*vaddr = pci_alloc_consistent(ahc->dev_softc,
dmat->maxsize, &map->bus_addr);
if (ahc->dev_softc != NULL)
if (ahc_pci_set_dma_mask(ahc->dev_softc,
if (pci_set_dma_mask(ahc->dev_softc,
ahc->platform_data->hw_dma_mask)) {
printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n");
kfree(map);
return (ENODEV);
}
#else /* LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0) */
/*
* At least in 2.2.14, malloc is a slab allocator so all
* allocations are aligned. We assume for these kernel versions
* that all allocations will be bellow 4Gig, physically contiguous,
* and accessible via DMA by the controller.
*/
map = NULL; /* No additional information to store */
*vaddr = malloc(dmat->maxsize, M_DEVBUF, M_NOWAIT);
#endif
if (*vaddr == NULL)
return (ENOMEM);
*mapp = map;
......@@ -1440,12 +1399,8 @@ void
ahc_dmamem_free(struct ahc_softc *ahc, bus_dma_tag_t dmat,
void* vaddr, bus_dmamap_t map)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
pci_free_consistent(ahc->dev_softc, dmat->maxsize,
vaddr, map->bus_addr);
#else
free(vaddr, M_DEVBUF);
#endif
}
int
......@@ -1459,12 +1414,7 @@ ahc_dmamap_load(struct ahc_softc *ahc, bus_dma_tag_t dmat, bus_dmamap_t map,
*/
bus_dma_segment_t stack_sg;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
stack_sg.ds_addr = map->bus_addr;
#else
#define VIRT_TO_BUS(a) (uint32_t)virt_to_bus((void *)(a))
stack_sg.ds_addr = VIRT_TO_BUS(buf);
#endif
stack_sg.ds_len = dmat->maxsize;
cb(cb_arg, &stack_sg, /*nseg*/1, /*error*/0);
return (0);
......@@ -1475,9 +1425,10 @@ ahc_dmamap_destroy(struct ahc_softc *ahc, bus_dma_tag_t dmat, bus_dmamap_t map)
{
/*
* The map may is NULL in our < 2.3.X implementation.
* Now it's 2.6.5, but just in case...
*/
if (map != NULL)
free(map, M_DEVBUF);
BUG_ON(map == NULL);
free(map, M_DEVBUF);
}
int
......@@ -1693,9 +1644,7 @@ aic7xxx_setup(char *s)
return 1;
}
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,3,0)
__setup("aic7xxx=", aic7xxx_setup);
#endif
uint32_t aic7xxx_verbose;
......@@ -1738,8 +1687,7 @@ ahc_linux_register_host(struct ahc_softc *ahc, Scsi_Host_Template *template)
ahc_set_name(ahc, new_name);
}
host->unique_id = ahc->unit;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,4) && \
LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
scsi_set_pci_device(host, ahc->dev_softc);
#endif
ahc_linux_initialize_scsi_bus(ahc);
......@@ -1925,19 +1873,11 @@ ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg)
ahc->platform_data->completeq_timer.data = (u_long)ahc;
ahc->platform_data->completeq_timer.function =
(ahc_linux_callback_t *)ahc_linux_thread_run_complete_queue;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
init_MUTEX_LOCKED(&ahc->platform_data->eh_sem);
init_MUTEX_LOCKED(&ahc->platform_data->dv_sem);
init_MUTEX_LOCKED(&ahc->platform_data->dv_cmd_sem);
#else
ahc->platform_data->eh_sem = MUTEX_LOCKED;
ahc->platform_data->dv_sem = MUTEX_LOCKED;
ahc->platform_data->dv_cmd_sem = MUTEX_LOCKED;
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_init(&ahc->platform_data->runq_tasklet, ahc_runq_tasklet,
(unsigned long)ahc);
#endif
ahc->seltime = (aic7xxx_seltime & 0x3) << 4;
ahc->seltime_b = (aic7xxx_seltime & 0x3) << 4;
if (aic7xxx_pci_parity == 0)
......@@ -1956,9 +1896,7 @@ ahc_platform_free(struct ahc_softc *ahc)
if (ahc->platform_data != NULL) {
del_timer_sync(&ahc->platform_data->completeq_timer);
ahc_linux_kill_dv_thread(ahc);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
tasklet_kill(&ahc->platform_data->runq_tasklet);
#endif
if (ahc->platform_data->host != NULL) {
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
scsi_remove_host(ahc->platform_data->host);
......@@ -1999,13 +1937,10 @@ ahc_platform_free(struct ahc_softc *ahc)
base_addr = (u_long)ahc->bsh.maddr;
base_addr &= PAGE_MASK;
iounmap((void *)base_addr);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
release_mem_region(ahc->platform_data->mem_busaddr,
0x1000);
#endif
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) && \
LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
/*
* In 2.4 we detach from the scsi midlayer before the PCI
* layer invokes our remove callback. No per-instance
......@@ -3751,7 +3686,7 @@ ahc_linux_run_device_queue(struct ahc_softc *ahc, struct ahc_linux_device *dev)
* a transfer crosses a 32bit page.
*/
while (cur_seg < end_seg) {
bus_addr_t addr;
dma_addr_t addr;
bus_size_t len;
int consumed;
......@@ -3780,7 +3715,7 @@ ahc_linux_run_device_queue(struct ahc_softc *ahc, struct ahc_linux_device *dev)
scb->hscb->datacnt = scb->sg_list->len;
} else if (cmd->request_bufflen != 0) {
struct ahc_dma_seg *sg;
bus_addr_t addr;
dma_addr_t addr;
sg = scb->sg_list;
addr = pci_map_single(ahc->dev_softc,
......@@ -4064,7 +3999,7 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
WARN_ON(lun != CAM_LUN_WILDCARD);
scsi_report_device_reset(ahc->platform_data->host,
channel - 'A', target);
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
#else
Scsi_Device *scsi_dev;
/*
......@@ -4085,12 +4020,10 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
break;
}
case AC_BUS_RESET:
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
if (ahc->platform_data->host != NULL) {
scsi_report_bus_reset(ahc->platform_data->host,
channel - 'A');
}
#endif
break;
default:
panic("ahc_send_async: Unexpected async event");
......
drivers/scsi/aic7xxx/aic7xxx_osm.h
View file @ 8d8c37c7
......@@ -70,17 +70,9 @@
#include <asm/byteorder.h>
#include <asm/io.h>
#ifndef KERNEL_VERSION
#define KERNEL_VERSION(x,y,z) (((x)<<16)+((y)<<8)+(z))
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
#include <linux/interrupt.h> /* For tasklet support. */
#include <linux/config.h>
#include <linux/slab.h>
#else
#include <linux/malloc.h>
#endif
/* Core SCSI definitions */
#define AIC_LIB_PREFIX ahc
......@@ -156,11 +148,6 @@ extern Scsi_Host_Template aic7xxx_driver_template;
/***************************** Bus Space/DMA **********************************/
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,2,17)
typedef dma_addr_t bus_addr_t;
#else
typedef uint32_t bus_addr_t;
#endif
typedef uint32_t bus_size_t;
typedef enum {
......@@ -175,7 +162,7 @@ typedef union {
typedef struct bus_dma_segment
{
bus_addr_t ds_addr;
dma_addr_t ds_addr;
bus_size_t ds_len;
} bus_dma_segment_t;
......@@ -189,11 +176,11 @@ typedef struct ahc_linux_dma_tag* bus_dma_tag_t;
struct ahc_linux_dmamap
{
bus_addr_t bus_addr;
dma_addr_t bus_addr;
};
typedef struct ahc_linux_dmamap* bus_dmamap_t;
typedef int bus_dma_filter_t(void*, bus_addr_t);
typedef int bus_dma_filter_t(void*, dma_addr_t);
typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);
#define BUS_DMA_WAITOK 0x0
......@@ -210,7 +197,7 @@ typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);
int ahc_dma_tag_create(struct ahc_softc *, bus_dma_tag_t /*parent*/,
bus_size_t /*alignment*/, bus_size_t /*boundary*/,
bus_addr_t /*lowaddr*/, bus_addr_t /*highaddr*/,
dma_addr_t /*lowaddr*/, dma_addr_t /*highaddr*/,
bus_dma_filter_t*/*filter*/, void */*filterarg*/,
bus_size_t /*maxsize*/, int /*nsegments*/,
bus_size_t /*maxsegsz*/, int /*flags*/,
......@@ -292,11 +279,7 @@ ahc_scb_timer_reset(struct scb *scb, u_int usec)
}
/***************************** SMP support ************************************/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,17)
#include <linux/spinlock.h>
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,93)
#include <linux/smp.h>
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) || defined(SCSI_HAS_HOST_LOCK))
#define AHC_SCSI_HAS_HOST_LOCK 1
......@@ -515,11 +498,8 @@ typedef enum {
struct scb_platform_data {
struct ahc_linux_device *dev;
bus_addr_t buf_busaddr;
dma_addr_t buf_busaddr;
uint32_t xfer_len;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
uint32_t resid; /* Transfer residual */
#endif
uint32_t sense_resid; /* Auto-Sense residual */
ahc_linux_scb_flags flags;
};
......@@ -549,9 +529,7 @@ struct ahc_platform_data {
struct ahc_completeq completeq;
spinlock_t spin_lock;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
struct tasklet_struct runq_tasklet;
#endif
u_int qfrozen;
pid_t dv_pid;
struct timer_list completeq_timer;
......@@ -567,7 +545,7 @@ struct ahc_platform_data {
uint32_t irq; /* IRQ for this adapter */
uint32_t bios_address;
uint32_t mem_busaddr; /* Mem Base Addr */
bus_addr_t hw_dma_mask;
dma_addr_t hw_dma_mask;
ahc_linux_softc_flags flags;
};
......@@ -819,9 +797,7 @@ ahc_list_unlock(unsigned long *flags)
#define PCIR_SUBVEND_0 0x2c
#define PCIR_SUBDEV_0 0x2e
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
extern struct pci_driver aic7xxx_pci_driver;
#endif
typedef enum
{
......@@ -954,25 +930,6 @@ ahc_flush_device_writes(struct ahc_softc *ahc)
ahc_inb(ahc, INTSTAT);
}
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,3,0)
#define pci_map_sg(pdev, sg_list, nseg, direction) (nseg)
#define pci_unmap_sg(pdev, sg_list, nseg, direction)
#define sg_dma_address(sg) (VIRT_TO_BUS((sg)->address))
#define sg_dma_len(sg) ((sg)->length)
#define pci_map_single(pdev, buffer, bufflen, direction) \
(VIRT_TO_BUS(buffer))
#define pci_unmap_single(pdev, buffer, buflen, direction)
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,3)
#define ahc_pci_set_dma_mask pci_set_dma_mask
#else
/*
* Always "return" 0 for success.
*/
#define ahc_pci_set_dma_mask(dev_softc, mask) \
(((dev_softc)->dma_mask = mask) && 0)
#endif
/**************************** Proc FS Support *********************************/
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
int ahc_linux_proc_info(char *, char **, off_t, int, int, int);
......@@ -1080,35 +1037,13 @@ u_long ahc_get_transfer_length(struct scb *scb)
static __inline
int ahc_get_transfer_dir(struct scb *scb)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,40)
return (scb->io_ctx->sc_data_direction);
#else
if (scb->io_ctx->bufflen == 0)
return (CAM_DIR_NONE);
switch(scb->io_ctx->cmnd[0]) {
case 0x08: /* READ(6) */
case 0x28: /* READ(10) */
case 0xA8: /* READ(12) */
return (CAM_DIR_IN);
case 0x0A: /* WRITE(6) */
case 0x2A: /* WRITE(10) */
case 0xAA: /* WRITE(12) */
return (CAM_DIR_OUT);
default:
return (CAM_DIR_NONE);
}
#endif
}
static __inline
void ahc_set_residual(struct scb *scb, u_long resid)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
scb->io_ctx->resid = resid;
#else
scb->platform_data->resid = resid;
#endif
}
static __inline
......@@ -1120,11 +1055,7 @@ void ahc_set_sense_residual(struct scb *scb, u_long resid)
static __inline
u_long ahc_get_residual(struct scb *scb)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
return (scb->io_ctx->resid);
#else
return (scb->platform_data->resid);
#endif
}
static __inline
......
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