scsi: aic7xxx: Convert timers to use timer_setup()
stat_timer only ever assigns the same function and data, so consolidate to using timer_setup(), adjust callback, drop everything else used to pass things around, and remove needless typedefs. reset_timer is unused; remove it. Cc: Hannes Reinecke <hare@suse.com> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: linux-scsi@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kees Cook
Родитель
00ed87da35
Коммит
8c4602f3c1
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@ -1046,8 +1046,6 @@ typedef enum {
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typedef uint8_t ahd_mode_state;
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typedef void ahd_callback_t (void *);
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struct ahd_completion
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{
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uint16_t tag;
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@ -1122,8 +1120,7 @@ struct ahd_softc {
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/*
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* Timer handles for timer driven callbacks.
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*/
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ahd_timer_t reset_timer;
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ahd_timer_t stat_timer;
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struct timer_list stat_timer;
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/*
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* Statistics.
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@ -207,7 +207,7 @@ static void ahd_add_scb_to_free_list(struct ahd_softc *ahd,
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static u_int ahd_rem_wscb(struct ahd_softc *ahd, u_int scbid,
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u_int prev, u_int next, u_int tid);
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static void ahd_reset_current_bus(struct ahd_softc *ahd);
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static ahd_callback_t ahd_stat_timer;
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static void ahd_stat_timer(struct timer_list *t);
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#ifdef AHD_DUMP_SEQ
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static void ahd_dumpseq(struct ahd_softc *ahd);
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#endif
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@ -6104,8 +6104,7 @@ ahd_alloc(void *platform_arg, char *name)
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ahd->bugs = AHD_BUGNONE;
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ahd->flags = AHD_SPCHK_ENB_A|AHD_RESET_BUS_A|AHD_TERM_ENB_A
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| AHD_EXTENDED_TRANS_A|AHD_STPWLEVEL_A;
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ahd_timer_init(&ahd->reset_timer);
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ahd_timer_init(&ahd->stat_timer);
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timer_setup(&ahd->stat_timer, ahd_stat_timer, 0);
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ahd->int_coalescing_timer = AHD_INT_COALESCING_TIMER_DEFAULT;
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ahd->int_coalescing_maxcmds = AHD_INT_COALESCING_MAXCMDS_DEFAULT;
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ahd->int_coalescing_mincmds = AHD_INT_COALESCING_MINCMDS_DEFAULT;
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@ -6235,8 +6234,7 @@ ahd_shutdown(void *arg)
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/*
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* Stop periodic timer callbacks.
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*/
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ahd_timer_stop(&ahd->reset_timer);
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ahd_timer_stop(&ahd->stat_timer);
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del_timer_sync(&ahd->stat_timer);
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/* This will reset most registers to 0, but not all */
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ahd_reset(ahd, /*reinit*/FALSE);
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@ -7039,20 +7037,11 @@ static const char *termstat_strings[] = {
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};
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/***************************** Timer Facilities *******************************/
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#define ahd_timer_init init_timer
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#define ahd_timer_stop del_timer_sync
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typedef void ahd_linux_callback_t (u_long);
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static void
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ahd_timer_reset(ahd_timer_t *timer, int usec, ahd_callback_t *func, void *arg)
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ahd_timer_reset(struct timer_list *timer, int usec)
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{
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struct ahd_softc *ahd;
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ahd = (struct ahd_softc *)arg;
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del_timer(timer);
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timer->data = (u_long)arg;
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timer->expires = jiffies + (usec * HZ)/1000000;
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timer->function = (ahd_linux_callback_t*)func;
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add_timer(timer);
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}
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@ -7279,8 +7268,7 @@ ahd_init(struct ahd_softc *ahd)
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}
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init_done:
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ahd_restart(ahd);
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ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US,
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ahd_stat_timer, ahd);
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ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US);
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return (0);
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}
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@ -8878,9 +8866,9 @@ ahd_reset_channel(struct ahd_softc *ahd, char channel, int initiate_reset)
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/**************************** Statistics Processing ***************************/
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static void
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ahd_stat_timer(void *arg)
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ahd_stat_timer(struct timer_list *t)
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{
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struct ahd_softc *ahd = arg;
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struct ahd_softc *ahd = from_timer(ahd, t, stat_timer);
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u_long s;
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int enint_coal;
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@ -8907,8 +8895,7 @@ ahd_stat_timer(void *arg)
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ahd->cmdcmplt_bucket = (ahd->cmdcmplt_bucket+1) & (AHD_STAT_BUCKETS-1);
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ahd->cmdcmplt_total -= ahd->cmdcmplt_counts[ahd->cmdcmplt_bucket];
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ahd->cmdcmplt_counts[ahd->cmdcmplt_bucket] = 0;
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ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US,
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ahd_stat_timer, ahd);
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ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US);
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ahd_unlock(ahd, &s);
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}
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@ -203,9 +203,6 @@ int ahd_dmamap_unload(struct ahd_softc *, bus_dma_tag_t, bus_dmamap_t);
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*/
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#define ahd_dmamap_sync(ahd, dma_tag, dmamap, offset, len, op)
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/************************** Timer DataStructures ******************************/
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typedef struct timer_list ahd_timer_t;
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/********************************** Includes **********************************/
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#ifdef CONFIG_AIC79XX_REG_PRETTY_PRINT
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#define AIC_DEBUG_REGISTERS 1
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@ -214,10 +211,6 @@ typedef struct timer_list ahd_timer_t;
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#endif
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#include "aic79xx.h"
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/***************************** Timer Facilities *******************************/
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#define ahd_timer_init init_timer
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#define ahd_timer_stop del_timer_sync
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/***************************** SMP support ************************************/
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#include <linux/spinlock.h>
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