7e6117bede
Changes in 4.9.261 btrfs: raid56: simplify tracking of Q stripe presence btrfs: fix raid6 qstripe kmap usbip: tools: fix build error for multiple definition ALSA: ctxfi: cthw20k2: fix mask on conf to allow 4 bits rsxx: Return -EFAULT if copy_to_user() fails dm table: fix iterate_devices based device capability checks dm table: fix DAX iterate_devices based device capability checks iommu/amd: Fix sleeping in atomic in increase_address_space() platform/x86: acer-wmi: Add new force_caps module parameter PCI: Add function 1 DMA alias quirk for Marvell 9215 SATA controller misc: eeprom_93xx46: Add quirk to support Microchip 93LC46B eeprom Linux 4.9.261 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I1a6e472d8fffbfeee6b81830daa88d2446878b44
30 lines
826 B
C
30 lines
826 B
C
/*
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* Module: eeprom_93xx46
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* platform description for 93xx46 EEPROMs.
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*/
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struct gpio_desc;
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struct eeprom_93xx46_platform_data {
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unsigned char flags;
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#define EE_ADDR8 0x01 /* 8 bit addr. cfg */
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#define EE_ADDR16 0x02 /* 16 bit addr. cfg */
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#define EE_READONLY 0x08 /* forbid writing */
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unsigned int quirks;
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/* Single word read transfers only; no sequential read. */
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#define EEPROM_93XX46_QUIRK_SINGLE_WORD_READ (1 << 0)
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/* Instructions such as EWEN are (addrlen + 2) in length. */
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#define EEPROM_93XX46_QUIRK_INSTRUCTION_LENGTH (1 << 1)
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/* Add extra cycle after address during a read */
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#define EEPROM_93XX46_QUIRK_EXTRA_READ_CYCLE BIT(2)
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/*
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* optional hooks to control additional logic
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* before and after spi transfer.
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*/
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void (*prepare)(void *);
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void (*finish)(void *);
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struct gpio_desc *select;
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};
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