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| author | Sean Paul <seanpaul@chromium.org> | 2019-04-10 15:50:49 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2019-04-10 15:50:49 -0400 |
| commit | 3bfaf1f7044c6a3b1e00fcad2d0529f0da449d67 (patch) | |
| tree | 490bc7e8aa29c2ee41eb4813683f1aa23971abd3 /include/linux/platform_data/at24.h | |
| parent | 669105a74a287b14cdec04c64eb51db1bb890f64 (diff) | |
| parent | 14d2bd53a47a7e1cb3e03d00a6b952734cf90f3f (diff) | |
| download | talos-op-linux-3bfaf1f7044c6a3b1e00fcad2d0529f0da449d67.tar.gz talos-op-linux-3bfaf1f7044c6a3b1e00fcad2d0529f0da449d67.zip | |
Merge drm/drm-next into drm-misc-next
Finally have a reason for a backmerge other than "it's been a while"!
Backmerging drm-next to -misc-next to facilitate Rob Herring's work on
Panfrost.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'include/linux/platform_data/at24.h')
| -rw-r--r-- | include/linux/platform_data/at24.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/include/linux/platform_data/at24.h b/include/linux/platform_data/at24.h deleted file mode 100644 index 63507ff464ee..000000000000 --- a/include/linux/platform_data/at24.h +++ /dev/null @@ -1,60 +0,0 @@ -/* - * at24.h - platform_data for the at24 (generic eeprom) driver - * (C) Copyright 2008 by Pengutronix - * (C) Copyright 2012 by Wolfram Sang - * same license as the driver - */ - -#ifndef _LINUX_AT24_H -#define _LINUX_AT24_H - -#include <linux/types.h> -#include <linux/nvmem-consumer.h> -#include <linux/bitops.h> - -/** - * struct at24_platform_data - data to set up at24 (generic eeprom) driver - * @byte_len: size of eeprom in byte - * @page_size: number of byte which can be written in one go - * @flags: tunable options, check AT24_FLAG_* defines - * @setup: an optional callback invoked after eeprom is probed; enables kernel - code to access eeprom via nvmem, see example - * @context: optional parameter passed to setup() - * - * If you set up a custom eeprom type, please double-check the parameters. - * Especially page_size needs extra care, as you risk data loss if your value - * is bigger than what the chip actually supports! - * - * An example in pseudo code for a setup() callback: - * - * void get_mac_addr(struct nvmem_device *nvmem, void *context) - * { - * u8 *mac_addr = ethernet_pdata->mac_addr; - * off_t offset = context; - * - * // Read MAC addr from EEPROM - * if (nvmem_device_read(nvmem, offset, ETH_ALEN, mac_addr) == ETH_ALEN) - * pr_info("Read MAC addr from EEPROM: %pM\n", mac_addr); - * } - * - * This function pointer and context can now be set up in at24_platform_data. - */ - -struct at24_platform_data { - u32 byte_len; /* size (sum of all addr) */ - u16 page_size; /* for writes */ - u8 flags; -#define AT24_FLAG_ADDR16 BIT(7) /* address pointer is 16 bit */ -#define AT24_FLAG_READONLY BIT(6) /* sysfs-entry will be read-only */ -#define AT24_FLAG_IRUGO BIT(5) /* sysfs-entry will be world-readable */ -#define AT24_FLAG_TAKE8ADDR BIT(4) /* take always 8 addresses (24c00) */ -#define AT24_FLAG_SERIAL BIT(3) /* factory-programmed serial number */ -#define AT24_FLAG_MAC BIT(2) /* factory-programmed mac address */ -#define AT24_FLAG_NO_RDROL BIT(1) /* does not auto-rollover reads to */ - /* the next slave address */ - - void (*setup)(struct nvmem_device *nvmem, void *context); - void *context; -}; - -#endif /* _LINUX_AT24_H */ |

