Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: ieee1394: sbp2: fix race condition in state change ieee1394: fix list corruption (reported at module removal) firewire: fw-sbp2: another iPod mini quirk entry ieee1394: sbp2: another iPod mini quirk entry
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commit
6a12141130
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@ -370,6 +370,11 @@ static const struct {
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.model = 0x000021,
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.workarounds = SBP2_WORKAROUND_FIX_CAPACITY,
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},
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/* iPod mini */ {
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.firmware_revision = 0x0a2700,
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.model = 0x000022,
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.workarounds = SBP2_WORKAROUND_FIX_CAPACITY,
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},
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/* iPod mini */ {
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.firmware_revision = 0x0a2700,
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.model = 0x000023,
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@ -46,10 +46,6 @@ static DEFINE_RWLOCK(hl_irqs_lock);
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static DEFINE_RWLOCK(addr_space_lock);
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/* addr_space list will have zero and max already included as bounds */
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static struct hpsb_address_ops dummy_ops = { NULL, NULL, NULL, NULL };
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static struct hpsb_address_serve dummy_zero_addr, dummy_max_addr;
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static struct hl_host_info *hl_get_hostinfo(struct hpsb_highlevel *hl,
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struct hpsb_host *host)
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@ -481,20 +477,23 @@ int hpsb_unregister_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host,
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return retval;
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}
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static struct hpsb_address_ops dummy_ops;
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/* dummy address spaces as lower and upper bounds of the host's a.s. list */
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static void init_hpsb_highlevel(struct hpsb_host *host)
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{
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INIT_LIST_HEAD(&dummy_zero_addr.host_list);
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INIT_LIST_HEAD(&dummy_zero_addr.hl_list);
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INIT_LIST_HEAD(&dummy_max_addr.host_list);
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INIT_LIST_HEAD(&dummy_max_addr.hl_list);
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INIT_LIST_HEAD(&host->dummy_zero_addr.host_list);
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INIT_LIST_HEAD(&host->dummy_zero_addr.hl_list);
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INIT_LIST_HEAD(&host->dummy_max_addr.host_list);
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INIT_LIST_HEAD(&host->dummy_max_addr.hl_list);
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dummy_zero_addr.op = dummy_max_addr.op = &dummy_ops;
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host->dummy_zero_addr.op = host->dummy_max_addr.op = &dummy_ops;
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dummy_zero_addr.start = dummy_zero_addr.end = 0;
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dummy_max_addr.start = dummy_max_addr.end = ((u64) 1) << 48;
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host->dummy_zero_addr.start = host->dummy_zero_addr.end = 0;
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host->dummy_max_addr.start = host->dummy_max_addr.end = ((u64) 1) << 48;
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list_add_tail(&dummy_zero_addr.host_list, &host->addr_space);
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list_add_tail(&dummy_max_addr.host_list, &host->addr_space);
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list_add_tail(&host->dummy_zero_addr.host_list, &host->addr_space);
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list_add_tail(&host->dummy_max_addr.host_list, &host->addr_space);
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}
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void highlevel_add_host(struct hpsb_host *host)
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@ -13,6 +13,7 @@ struct module;
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#include "ieee1394_types.h"
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#include "csr.h"
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#include "highlevel.h"
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struct hpsb_packet;
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struct hpsb_iso;
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@ -72,6 +73,9 @@ struct hpsb_host {
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struct { DECLARE_BITMAP(map, 64); } tl_pool[ALL_NODES];
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struct csr_control csr;
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struct hpsb_address_serve dummy_zero_addr;
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struct hpsb_address_serve dummy_max_addr;
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};
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enum devctl_cmd {
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@ -400,6 +400,11 @@ static const struct {
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.model_id = 0x000021,
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.workarounds = SBP2_WORKAROUND_FIX_CAPACITY,
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},
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/* iPod mini */ {
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.firmware_revision = 0x0a2700,
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.model_id = 0x000022,
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.workarounds = SBP2_WORKAROUND_FIX_CAPACITY,
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},
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/* iPod mini */ {
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.firmware_revision = 0x0a2700,
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.model_id = 0x000023,
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@ -890,12 +895,13 @@ static void sbp2_host_reset(struct hpsb_host *host)
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return;
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read_lock_irqsave(&sbp2_hi_logical_units_lock, flags);
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list_for_each_entry(lu, &hi->logical_units, lu_list)
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if (likely(atomic_read(&lu->state) !=
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SBP2LU_STATE_IN_SHUTDOWN)) {
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atomic_set(&lu->state, SBP2LU_STATE_IN_RESET);
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if (atomic_cmpxchg(&lu->state,
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SBP2LU_STATE_RUNNING, SBP2LU_STATE_IN_RESET)
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== SBP2LU_STATE_RUNNING)
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scsi_block_requests(lu->shost);
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}
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read_unlock_irqrestore(&sbp2_hi_logical_units_lock, flags);
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}
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