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Searched refs:usecount (Results 1 – 14 of 14) sorted by relevance

/drivers/gpu/drm/display/
A Ddrm_dp_aux_dev.c50 atomic_t usecount; member
82 atomic_set(&aux_dev->usecount, 1); in alloc_drm_dp_aux_dev()
152 if (!atomic_inc_not_zero(&aux_dev->usecount)) in auxdev_read_iter()
183 if (atomic_dec_and_test(&aux_dev->usecount)) in auxdev_read_iter()
184 wake_up_var(&aux_dev->usecount); in auxdev_read_iter()
195 if (!atomic_inc_not_zero(&aux_dev->usecount)) in auxdev_write_iter()
226 if (atomic_dec_and_test(&aux_dev->usecount)) in auxdev_write_iter()
227 wake_up_var(&aux_dev->usecount); in auxdev_write_iter()
291 atomic_dec(&aux_dev->usecount); in drm_dp_aux_unregister_devnode()
292 wait_var_event(&aux_dev->usecount, !atomic_read(&aux_dev->usecount)); in drm_dp_aux_unregister_devnode()
/drivers/net/ethernet/mellanox/mlx5/core/lib/
A Dst.c13 refcount_t usecount; member
103 refcount_inc(&idx_data->usecount); in mlx5_st_alloc_index()
115 refcount_set(&idx_data->usecount, 1); in mlx5_st_alloc_index()
155 if (refcount_dec_and_test(&idx_data->usecount)) { in mlx5_st_dealloc_index()
/drivers/sh/clk/
A Dcore.c240 if (WARN(!clk->usecount, "Trying to disable clock %p with 0 usecount\n", in __clk_disable()
244 if (!(--clk->usecount)) { in __clk_disable()
269 if (clk->usecount++ == 0) { in __clk_enable()
288 clk->usecount--; in __clk_enable()
427 clk->usecount = 0; in clk_register()
522 if (clk->usecount == 0) { in clk_set_parent()
577 if (likely(clkp->usecount && clkp->ops)) { in clks_core_resume()
614 if (!clk->usecount && clk->ops && clk->ops->disable) in clk_late_init()
/drivers/gpu/host1x/
A Dbus.c719 client->usecount = 0; in __host1x_client_init()
814 if (client->usecount == 1) { in host1x_client_suspend()
822 client->usecount--; in host1x_client_suspend()
823 dev_dbg(client->dev, "use count: %u\n", client->usecount); in host1x_client_suspend()
834 if (client->usecount == 0) in host1x_client_suspend()
838 client->usecount++; in host1x_client_suspend()
857 if (client->usecount == 0) { in host1x_client_resume()
865 client->usecount++; in host1x_client_resume()
866 dev_dbg(client->dev, "use count: %u\n", client->usecount); in host1x_client_resume()
/drivers/devfreq/event/
A Drockchip-dfi.c104 int usecount; member
128 dfi->usecount++; in rockchip_dfi_enable()
129 if (dfi->usecount > 1) in rockchip_dfi_enable()
186 dfi->usecount--; in rockchip_dfi_disable()
188 WARN_ON_ONCE(dfi->usecount < 0); in rockchip_dfi_disable()
190 if (dfi->usecount > 0) in rockchip_dfi_disable()
/drivers/gpu/drm/tegra/
A Dhub.h16 unsigned int usecount; member
A Dhub.c119 if (wgrp->usecount == 0) { in tegra_windowgroup_enable()
129 wgrp->usecount++; in tegra_windowgroup_enable()
142 if (wgrp->usecount == 1) { in tegra_windowgroup_disable()
152 wgrp->usecount--; in tegra_windowgroup_disable()
1107 wgrp->usecount = 0; in tegra_display_hub_probe()
/drivers/infiniband/hw/mlx5/
A Dodp.c250 if (!refcount_inc_not_zero(&imr->mmkey.usecount)) in destroy_unused_implicit_child_mr()
506 refcount_set(&mr->mmkey.usecount, 2); in implicit_get_child_mr()
530 refcount_inc(&ret->mmkey.usecount); in implicit_get_child_mr()
783 refcount_inc(&mtt->mmkey.usecount); in pagefault_implicit_mr()
986 refcount_inc(&mmkey->usecount); in find_odp_mkey()
1987 refcount_inc(&mmkey->usecount); in get_prefetchable_mr()
A Dmlx5_ib.h658 refcount_t usecount; member
1659 refcount_set(&mmkey->usecount, 1); in mlx5r_store_odp_mkey()
1668 if (refcount_dec_and_test(&mmkey->usecount)) in mlx5r_deref_odp_mkey()
1676 wait_event(mmkey->wait, refcount_read(&mmkey->usecount) == 0); in mlx5r_deref_wait_odp_mkey()
A Dmr.c2197 refcount_read(&mr->mmkey.usecount) != 0 && in __mlx5_ib_dereg_mr()
/drivers/gpu/ipu-v3/
A Dipu-prv.h182 int usecount; member
/drivers/video/fbdev/matrox/
A Dmatroxfb_base.h344 unsigned int usecount; member
A Dmatroxfb_base.c369 if (minfo->usecount) { in matroxfb_remove()
397 minfo->usecount++; in matroxfb_open()
415 if (!(--minfo->usecount) && minfo->dead) { in matroxfb_release()
2082 minfo->usecount = 0; in matroxfb_probe()
/drivers/char/ipmi/
A Dipmi_msghandler.c296 struct kref usecount; member
2958 rv = kref_get_unless_zero(&bmc->usecount); in __find_bmc_guid()
2997 rv = kref_get_unless_zero(&bmc->usecount); in __find_bmc_prod_dev_id()
3044 struct bmc_device *bmc = container_of(ref, struct bmc_device, usecount); in cleanup_bmc_device()
3073 kref_put(&bmc->usecount, cleanup_bmc_device); in __ipmi_bmc_unregister()
3164 kref_init(&bmc->usecount); in __ipmi_bmc_register()
3235 kref_put(&bmc->usecount, cleanup_bmc_device); in __ipmi_bmc_register()

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