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/linux/drivers/devfreq/event/
H A Drockchip-dfi.c87 * The dfi controller can monitor DDR load. It has an upper and lower threshold
121 static int rockchip_dfi_enable(struct rockchip_dfi *dfi) in rockchip_dfi_enable() argument
123 void __iomem *dfi_regs = dfi->regs; in rockchip_dfi_enable()
126 mutex_lock(&dfi->mutex); in rockchip_dfi_enable()
128 dfi->usecount++; in rockchip_dfi_enable()
129 if (dfi->usecount > 1) in rockchip_dfi_enable()
132 ret = clk_prepare_enable(dfi->clk); in rockchip_dfi_enable()
134 dev_err(&dfi->edev->dev, "failed to enable dfi clk: %d\n", ret); in rockchip_dfi_enable()
138 for (i = 0; i < dfi->max_channels; i++) { in rockchip_dfi_enable()
141 if (!(dfi->channel_mask & BIT(i))) in rockchip_dfi_enable()
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H A DKconfig36 tristate "ROCKCHIP DFI DEVFREQ event Driver"
39 This add the devfreq-event driver for Rockchip SoC. It provides DFI
H A DMakefile6 obj-$(CONFIG_DEVFREQ_EVENT_ROCKCHIP_DFI) += rockchip-dfi.o
/linux/Documentation/devicetree/bindings/devfreq/event/
H A Drockchip,dfi.yaml4 $id: http://devicetree.org/schemas/devfreq/event/rockchip,dfi.yaml#
7 title: Rockchip DFI
15 - rockchip,rk3399-dfi
16 - rockchip,rk3568-dfi
17 - rockchip,rk3588-dfi
48 - rockchip,rk3399-dfi
66 dfi: dfi@ff630000 {
67 compatible = "rockchip,rk3399-dfi";
/linux/fs/ceph/
H A Ddir.c113 struct ceph_dir_file_info *dfi, in note_last_dentry() argument
120 kfree(dfi->last_name); in note_last_dentry()
121 dfi->last_name = buf; in note_last_dentry()
122 memcpy(dfi->last_name, name, len); in note_last_dentry()
123 dfi->last_name[len] = 0; in note_last_dentry()
124 dfi->next_offset = next_offset; in note_last_dentry()
125 doutc(fsc->client, "'%s'\n", dfi->last_name); in note_last_dentry()
188 struct ceph_dir_file_info *dfi = file->private_data; in __dcache_readdir() local
239 dfi->file_info.flags |= CEPH_F_ATEND; in __dcache_readdir()
291 ret = note_last_dentry(fsc, dfi, last->d_name.name, in __dcache_readdir()
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H A Dfile.c215 struct ceph_dir_file_info *dfi = in ceph_init_file_info() local
217 if (!dfi) in ceph_init_file_info()
220 file->private_data = dfi; in ceph_init_file_info()
221 fi = &dfi->file_info; in ceph_init_file_info()
222 dfi->next_offset = 2; in ceph_init_file_info()
223 dfi->readdir_cache_idx = -1; in ceph_init_file_info()
1003 struct ceph_dir_file_info *dfi = file->private_data; in ceph_release() local
1006 WARN_ON(!list_empty(&dfi->file_info.rw_contexts)); in ceph_release()
1008 ceph_put_fmode(ci, dfi->file_info.fmode, 1); in ceph_release()
1010 if (dfi->last_readdir) in ceph_release()
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6q-dfi-fs700-m60.dts12 #include "imx6qdl-dfi-fs700-m60.dtsi"
15 model = "DFI FS700-M60-6QD i.MX6qd Q7 Board";
16 compatible = "dfi,fs700-m60-6qd", "dfi,fs700e-m60", "fsl,imx6q";
H A Dimx6dl-dfi-fs700-m60.dts12 #include "imx6qdl-dfi-fs700-m60.dtsi"
15 model = "DFI FS700-M60-6DL i.MX6dl Q7 Board";
16 compatible = "dfi,fs700-m60-6dl", "dfi,fs700e-m60", "fsl,imx6dl";
/linux/Documentation/devicetree/bindings/memory-controllers/
H A Drockchip,rk3399-dmc.yaml21 Documentation/devicetree/bindings/devfreq/event/rockchip,dfi.yaml.
61 memories are placed into power-down mode if bus is idle for PD_IDLE DFI
71 SR_IDLE * 1024 DFI clock cycles (DFI clocks freq is half of DRAM clock).
81 arg gating started if bus is idle for sr_mc_gate_idle*1024 DFI clock
91 srpd_lite_idle * 1024 DFI clock cycles. This parameter is for LPDDR4
101 if bus is idle for standby_idle * DFI clock cycles.
364 devfreq-events = <&dfi>;
H A Dsnps,dw-umctl2-ddrc.yaml38 Scrubber-Done signal, DFI Parity/CRC Error. Some platforms may have the
48 - description: Common ECC CE/UE/Scrubber/DFI Errors IRQ
51 - description: Individual ECC CE/UE/Scrubber/DFI Errors IRQs
/linux/Documentation/admin-guide/perf/
H A Dalibaba_pmu.rst49 the DDR PHY Interface (DFI) to the PHY module, which launches and captures data
51 statistics and performance logging signals on HIF, DFI, etc.
/linux/tools/perf/pmu-events/arch/arm64/thead/yitian710/sys/
H A Dali_drw.json38 "BriefDescription": "A write data cycle at DFI interface (to DRAM).",
45 "BriefDescription": "A read data cycle at DFI interface (to DRAM).",
/linux/arch/arm/mach-pxa/
H A Daddr-map.h48 * DFI Bus for NAND, PXA3xx only
H A Dpxa3xx.c49 * NAND NFC: DFI bus arbitration subset
415 * Disable DFI bus arbitration, to prevent a system bus lock if in pxa3xx_init()
/linux/drivers/cpufreq/
H A Dpxa3xx-cpufreq.c87 /* CPU XL XN HSS DMEM SMEM SRAM DFI VCC_CORE VCC_SRAM */
95 /* CPU XL XN HSS DMEM SMEM SRAM DFI VCC_CORE VCC_SRAM */
/linux/include/soc/at91/
H A Dsama7-ddr.h70 #define UDDRC_DFIMISC (0x1B0) /* UDDRC DFI Miscellaneous Control Register */
/linux/drivers/i2c/busses/
H A Di2c-piix4.c120 .ident = "DFI Lanparty UT 790FX",
122 DMI_MATCH(DMI_BOARD_VENDOR, "DFI Inc."),
/linux/arch/arm64/boot/dts/rockchip/
H A Drk356x-base.dtsi924 dfi: dfi@fe230000 { label
925 compatible = "rockchip,rk3568-dfi";
H A Drk3399-base.dtsi254 devfreq-events = <&dfi>;
1426 dfi: dfi@ff630000 { label
1428 compatible = "rockchip,rk3399-dfi";
H A Drk3399-gru.dtsi375 &dfi {
H A Drk3588-base.dtsi1653 dfi: dfi@fe060000 { label
1655 compatible = "rockchip,rk3588-dfi";
/linux/drivers/eisa/
H A Deisa.ids683 ICU0680 "DFI DIO-500 Serial/Parallel I/O Card"
684 ICU0681 "DFI DIO-200 Serial/Parallel I/O Card"
/linux/Documentation/devicetree/bindings/
H A Dvendor-prefixes.yaml377 "^dfi,.*":
378 description: DFI Inc.
/linux/drivers/gpu/drm/ast/
H A Dast_post.c1907 /* Fire DFI Init */ in ddr4_init_2500()
1938 /* Fire DFI Init */ in ddr4_init_2500()
/linux/include/linux/habanalabs/
H A Dcpucp_if.h326 * command parity, ECC double error, ECC single error, dfi error, cattrip,

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