linux-kernel - Re: [PATCH V2] tpm_tis_spi: use new `delay` structure for SPI transfer delays

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Date:   Wed, 11 Dec 2019 19:37:12 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Alexandru Ardelean <alexandru.ardelean@...log.com>
Cc:     linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org, peterhuewe@....de, jgg@...pe.ca,
        arnd@...db.de
Subject: Re: [PATCH V2] tpm_tis_spi: use new `delay` structure for SPI
 transfer delays

On Tue, Dec 10, 2019 at 08:56:19AM +0200, Alexandru Ardelean wrote:
> In a recent change to the SPI subsystem [1], a new `delay` struct was added
> to replace the `delay_usecs`. This change replaces the current `delay_usecs`
> with `delay` for this driver.
> 
> The `spi_transfer_delay_exec()` function [in the SPI framework] makes sure
> that both `delay_usecs` & `delay` are used (in this order to preserve
> backwards compatibility).
> 
> [1] commit bebcfd272df6485 ("spi: introduce `delay` field for
> `spi_transfer` + spi_transfer_delay_exec()")

Not sure why you use ` and not '?

/Jarkko