linux-kernel - Re: [patch v3 1/5] AST2500 DMA UART driver

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Message-ID: <c8b5e295c34aaf8b3d8b03aeaa980c88d870443a.camel@kernel.crashing.org>
Date:   Thu, 04 Jul 2019 09:04:55 +1000
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     Greg KH <gregkh@...uxfoundation.org>,
        "sudheer.v" <open.sudheer@...il.com>
Cc:     jslaby@...e.com, joel@....id.au, andrew@...id.au,
        robh+dt@...nel.org, mark.rutland@....com,
        shivahshankar.shankarnarayanrao@...eedtech.com,
        shivahshankar@...il.com, sudheer.veliseti@...eedtech.com,
        sudheer veliseti <sudheer.open@...il.com>,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        devicetree@...r.kernel.org, linux-aspeed@...ts.ozlabs.org
Subject: Re: [patch v3 1/5] AST2500 DMA UART driver

On Wed, 2019-07-03 at 19:49 +0200, Greg KH wrote:
> > +
> > +     if (tx_sts & UART_SDMA0_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA0_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[0]));
> > +     } else if (tx_sts & UART_SDMA1_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA1_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[1]));
> > +     } else if (tx_sts & UART_SDMA2_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA2_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[2]));
> > +     } else if (tx_sts & UART_SDMA3_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA3_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[3]));
> > +     } else if (tx_sts & UART_SDMA4_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA4_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[4]));
> > +     } else if (tx_sts & UART_SDMA5_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA5_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[5]));
> > +     } else if (tx_sts & UART_SDMA6_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA6_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[6]));
> > +     } else if (tx_sts & UART_SDMA7_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA7_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[7]));
> > +     } else if (tx_sts & UART_SDMA8_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA8_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[8]));
> > +     } else if (tx_sts & UART_SDMA9_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA9_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[9]));
> > +     } else if (tx_sts & UART_SDMA10_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA10_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[10]));
> > +     } else if (tx_sts & UART_SDMA11_INT) {
> > +             ast_uart_sdma_write(sdma, UART_SDMA11_INT, UART_TX_SDMA_ISR);
> > +             ast_sdma_bufffdone(&(sdma->dma_ch->tx_dma_info[11]));
> > +     } else {
> > +     }

Also this should be a for () loop...

Cheers,
Ben.