Commit e3f51147 authored by Fabio Baltieri's avatar Fabio Baltieri Committed by Linus Walleij
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crypto: ux500/hash: use readl on iomem addresses



Always use readl when reading memory mapped registers.

Signed-off-by: default avatarFabio Baltieri <fabio.baltieri@linaro.org>
Acked-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent b4a1ccdf
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+10 −10
Original line number Diff line number Diff line
@@ -473,12 +473,12 @@ static void hash_hw_write_key(struct hash_device_data *device_data,
		HASH_SET_DIN(&word, nwords);
	}

	while (device_data->base->str & HASH_STR_DCAL_MASK)
	while (readl(&device_data->base->str) & HASH_STR_DCAL_MASK)
		cpu_relax();

	HASH_SET_DCAL;

	while (device_data->base->str & HASH_STR_DCAL_MASK)
	while (readl(&device_data->base->str) & HASH_STR_DCAL_MASK)
		cpu_relax();
}

@@ -661,7 +661,7 @@ static void hash_messagepad(struct hash_device_data *device_data,
	if (index_bytes)
		HASH_SET_DIN(message, nwords);

	while (device_data->base->str & HASH_STR_DCAL_MASK)
	while (readl(&device_data->base->str) & HASH_STR_DCAL_MASK)
		cpu_relax();

	/* num_of_bytes == 0 => NBLW <- 0 (32 bits valid in DATAIN) */
@@ -676,7 +676,7 @@ static void hash_messagepad(struct hash_device_data *device_data,
			(int)(readl_relaxed(&device_data->base->str) &
				HASH_STR_NBLW_MASK));

	while (device_data->base->str & HASH_STR_DCAL_MASK)
	while (readl(&device_data->base->str) & HASH_STR_DCAL_MASK)
		cpu_relax();
}

@@ -776,7 +776,7 @@ void hash_begin(struct hash_device_data *device_data, struct hash_ctx *ctx)
	/* HW and SW initializations */
	/* Note: there is no need to initialize buffer and digest members */

	while (device_data->base->str & HASH_STR_DCAL_MASK)
	while (readl(&device_data->base->str) & HASH_STR_DCAL_MASK)
		cpu_relax();

	/*
@@ -962,7 +962,7 @@ static int hash_dma_final(struct ahash_request *req)
	wait_for_completion(&ctx->device->dma.complete);
	hash_dma_done(ctx);

	while (device_data->base->str & HASH_STR_DCAL_MASK)
	while (readl(&device_data->base->str) & HASH_STR_DCAL_MASK)
		cpu_relax();

	if (ctx->config.oper_mode == HASH_OPER_MODE_HMAC && ctx->key) {
@@ -1060,7 +1060,7 @@ int hash_hw_final(struct ahash_request *req)
				req_ctx->state.index);
	} else {
		HASH_SET_DCAL;
		while (device_data->base->str & HASH_STR_DCAL_MASK)
		while (readl(&device_data->base->str) & HASH_STR_DCAL_MASK)
			cpu_relax();
	}

@@ -1189,7 +1189,7 @@ int hash_resume_state(struct hash_device_data *device_data,
	temp_cr = device_state->temp_cr;
	writel_relaxed(temp_cr & HASH_CR_RESUME_MASK, &device_data->base->cr);

	if (device_data->base->cr & HASH_CR_MODE_MASK)
	if (readl(&device_data->base->cr) & HASH_CR_MODE_MASK)
		hash_mode = HASH_OPER_MODE_HMAC;
	else
		hash_mode = HASH_OPER_MODE_HASH;
@@ -1233,7 +1233,7 @@ int hash_save_state(struct hash_device_data *device_data,
	 * actually makes sure that there isn't any ongoing calculation in the
	 * hardware.
	 */
	while (device_data->base->str & HASH_STR_DCAL_MASK)
	while (readl(&device_data->base->str) & HASH_STR_DCAL_MASK)
		cpu_relax();

	temp_cr = readl_relaxed(&device_data->base->cr);
@@ -1242,7 +1242,7 @@ int hash_save_state(struct hash_device_data *device_data,

	device_state->din_reg = readl_relaxed(&device_data->base->din);

	if (device_data->base->cr & HASH_CR_MODE_MASK)
	if (readl(&device_data->base->cr) & HASH_CR_MODE_MASK)
		hash_mode = HASH_OPER_MODE_HMAC;
	else
		hash_mode = HASH_OPER_MODE_HASH;