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tpm: cr50: Add a comment for cr50_priv

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Add a comment for the private structure

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-04-08 16:57:23 -06:00 committed by Bin Meng
parent 79b7ade5b5
commit fe6831dac4
1 changed files with 9 additions and 0 deletions
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9
drivers/tpm/cr50_i2c.c
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@ -34,6 +34,15 @@ enum {
CR50_MAX_BUF_SIZE = 63,
};
/**
* struct cr50_priv - Private driver data
*
* @ready_gpio: GPIO to use to check if the TPM is ready
* @irq: IRQ to use check if the TPM is ready (has priority over @ready_gpio)
* @locality: Currenttly claimed locality (-1 if none)
* @vendor: vendor: Vendor ID for TPM
* @use_irq: true to use @irq, false to use @ready if available
*/
struct cr50_priv {
struct gpio_desc ready_gpio;
struct irq irq;